JPS60183674A - Controller of public sport stadium - Google Patents

Controller of public sport stadium

Info

Publication number
JPS60183674A
JPS60183674A JP59040135A JP4013584A JPS60183674A JP S60183674 A JPS60183674 A JP S60183674A JP 59040135 A JP59040135 A JP 59040135A JP 4013584 A JP4013584 A JP 4013584A JP S60183674 A JPS60183674 A JP S60183674A
Authority
JP
Japan
Prior art keywords
data
odds
stadium
otsuzu
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59040135A
Other languages
Japanese (ja)
Inventor
Yoshitaka Inoue
義高 井上
Toshio Kato
加藤 捷夫
Reijiro Aoki
青木 礼次郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Tateisi Electronics Co
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tateisi Electronics Co, Omron Tateisi Electronics Co filed Critical Tateisi Electronics Co
Priority to JP59040135A priority Critical patent/JPS60183674A/en
Publication of JPS60183674A publication Critical patent/JPS60183674A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/34Betting or bookmaking, e.g. Internet betting
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/3286Type of games
    • G07F17/3288Betting, e.g. on live events, bookmaking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Health & Medical Sciences (AREA)
  • Economics (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Primary Health Care (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • General Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

PURPOSE:To enable recognition of odds at an arbitrary position, to enhance services for fans, to reduce a confusion in a stadium just before the closing and to facilitate a control of a stadium by providing a wireless transmitter, a portable receiver, etc. CONSTITUTION:A wireless transmitter 22 carries renewed odds data outputted one after another from an odds (estimated dividend ratio) calculator 2 on a carrier through a transmission controller 21. A portable receiver 23 converts the transmission data received by wireless into odds data and displayes on a display screen. The controller 21 mainly consists of a CPU31 to operate in accordance with a system program stored in a ROM32, and the CPU31 fetches the odds data from the calculator 2 into a prescribed area of a RAM33 through an interface circuit IF34. Thus the recognition of odds can be possible at an arbitrary position, the fan service can be enhanced, the confusion in a stadium just before the closing is reduced and a stadium control can be facilitated.

Description

【発明の詳細な説明】 (発明の分野) この発明は、例えば公営の競馬楊簀の公営競技場の管理
装首に係り、%、lrにオツズ(予想配当率)のノ〈示
技術に関づる。
DETAILED DESCRIPTION OF THE INVENTION (Field of the Invention) The present invention relates to, for example, a management head for a public race track in a public horse racing center, and relates to a technology for indicating odds (expected payout rate) in % and lr. Zuru.

(従来技術とその問題点) 従来、例えば公営競馬にお【ノるオツズの表示は第1図
に示づようになっていた。同図において、オツズ81幹
機1は、図示しない投票券発売機よりの投票券発行デー
タを受りて、発売票数の集W’ +払戻金J3よびオツ
ズのη1粋をするととしに、時々刻々粋出されるオツズ
の内容がオツズ表示板2に表示される。そしで、オツズ
表示板2をテレビカメラ3で1最影し、H馬場内の適宜
場所に設置したモニタテレビ4に映し出−J−Jζうに
しでいた。
(Prior Art and its Problems) Conventionally, for example, in public horse racing, the display of tickets was as shown in Figure 1. In the same figure, Otsuzu 81 main machine 1 receives voting ticket issuance data from a voting ticket vending machine (not shown), collects the total number of votes sold W' + refund J3 and Otsuzu's The contents of the meals served are displayed on the meal display board 2. Then, the TV camera 3 took a close look at the Otsuzu display board 2, and projected it on the monitor TV 4 installed at an appropriate location in the horse racing area.

しかしながら、従来のこのようなオツズ表示方法にあっ
ては、オツズ表示板やモニタテレビを見ることのできる
場所は限定されているので、投票品が投票券発売窓口の
持し行列中にいる場合には、1ハ梧のオツズを知ること
ができなくなる。その1.−めに、従来では、投票者は
オツズ表示板やしニタテレビの見える場所にいて、締め
切り14間間際に一斉に発売窓口に殺到り−ることどな
り、場内が’IIl乱することが往々にしてあった。
However, with this conventional Otsuzu display method, there are limited places where you can see the Otsuzu display board and monitor TV, so if you are in the queue at the ticket sales counter with a voting item, , you will not be able to know the Otsuzu of the first half. Part 1. - Traditionally, voters were in a place where they could see the Otsuzu display board or Nita TV, and they rushed to the sales counter all at once just before the deadline, and the place was often chaotic. there were.

(発明のし1的) この発明の目的は、投票者が発売窓I」の行列中や観覧
席にいる場合でも、最新のオツズを知るこどがでさるよ
うにし、フ7ンリービスの向上ととしに、締め切り時間
間際の場内混乱の減少を図り、場内管理の容易化を図る
ことにある。
(First invention) The purpose of this invention is to make it possible for voters to know the latest information even when they are in the queue at the sales window or in the viewing seats, and to improve entertainment and service. The aim is to reduce confusion in the venue just before the deadline and to facilitate on-site management.

(発明の(を成と効果) 上記目的を達成りるために、この発明は、発売された投
票券にMづさオツズを算出し、単位時間間隔でオツズデ
ータを更新出力するAツズ計粋機と;前記オツズデータ
を搬送波に乗せて無線送信する送信e貫と;1)b記無
線送信されたオツズデータを受信するどともに、これを
備えイ1けの表示器に表示づる(ル帯用受信(幾とを備
えたことをQ’!j tjlifどJる。
(Achievements and Effects of the Invention) In order to achieve the above object, the present invention provides an Atsuzu measurement machine that calculates the Mzusaotzu on the sold voting ticket and updates and outputs the Otsuzu data at unit time intervals. (1) Receiving the wirelessly transmitted Otsuzu data described in (b) and displaying it on the 1st digit display (Reception for R band); Q'!

この1..1;成によれば、投票者は11−帯出受信機
を所持づ“ることにJ、す、任意の場所でオツズを確認
でさることになり、ファンリーじスの白土が図れ、01
「で締め切り時間間際の場内)d乱が減少し、場内管l
i1が容易になるという効果がある。
This 1. .. 1. According to Seiji, voters will be required to carry an 11-band receiver and check the Otsuzu at any location.
``The disturbance in the venue near the closing time is reduced, and the disturbance in the venue is reduced.
This has the effect of making i1 easier.

(実施例の31明) 第1図は、この発明の一実施例に係る公営競技場管理装
置の全体構成を示す。なお、第1図ど同一部分には同一
符号をイ」シその説明を省略り−る。
(Embodiment 31) FIG. 1 shows the overall configuration of a public stadium management device according to an embodiment of the present invention. It should be noted that the same parts as in FIG.

この公営競技場管理装置は、Aツズ計紳1m 2 h)
ら時々刻々出力される更新オツズデー夕を受け付けるた
びに該オツズデータをシリアルデータからなる伝送デー
タに変換出力する伝送制御装置21と、前記伝送データ
を搬送波に乗けて無線送信りる送信機22と、無線受信
した前記伝送データをオツズデータに変換し、これを表
示器に表示づ−る携セ1)用受信機23とで構成される
This public stadium management device has a total length of 1 m 2 h)
a transmission control device 21 that converts and outputs the updated data to transmission data consisting of serial data every time it receives updated data that is outputted from time to time; a transmitter 22 that transmits the transmission data wirelessly on a carrier wave; The mobile phone receiver 23 converts the transmitted data received wirelessly into data and displays the data on a display.

伝送制御装置21は、第3図に示ずように、[セ0M3
2に格納されるシステムプログラムに従って動1′1゛
りる中火処]!l!装置(C1)Ll)31を中心に4
1、i成され、CPU31はAツズ泪Q1幾2J:りの
オツズデータをインターフ1イス回路(IF>3/Iを
介して「く△M33の所定エリアに取込むとともに、R
ΔM33に格納したオツズデータを並直変換器(P→S
 ) 3 E5に送出する。
The transmission control device 21, as shown in FIG.
It operates according to the system program stored in 2. l! 4 around the device (C1) Ll) 31
1, i is created, and the CPU 31 takes in the Otsuzu data of the
The Otsuzu data stored in ΔM33 is transferred to a parallel-to-serial converter (P→S
) 3 Send to E5.

オツズ削算機2が出ツノlるAツズ゛データは、連勝式
Aツズγ−タ、111勝式オツズi−タJノよび複勝式
オツズデータの3種からなり、各オツズデータは4バー
で1〜4bS 1戊となっ(いる。
The A Tsuzu data that comes out of Otsuzu Calculator 2 consists of three types: consecutive winning type A Tsuzu γ-ta, 111 winning type Otsuzu I-ta J, and multiple winning type Otsuzu data, and each Otsuzu data is 4 types. The bar is 1-4bS 1.

従って、1く八M 33には、第4図に示t J:うに
、1バイト4i/i成の連勝式オツズデータ、Lリア4
1ど、11勝式Aオツf−タ1リア/12ど、複勝式オ
ツズデータエリア43とが設りられている。各データ」
−リア41,42おJ:び43において、1投票データ
が4バーf I’ tri成で順次格納されるにうにな
っており、第1バイト1](#1)のデータはレース番
シ) +第2バーイ1−目〈#2)のデータどり)3バ
イ1〜口(#3〉の1桁目のデータとは投票番号、#3
の第2桁目のュータど第4バーr r−c」(# /I
 >の第1桁目のデータとは予想配当、#1の第21t
j I−1のデータはIQ票券種をそれぞれ示J0並直
変換器35では、[<Δtvl 33の31+訃のデー
タ」−リノlに格納されているオツズデータのうりの1
投票データについて、P→Sの変換を行ない、#1.#
2.#3.#/lの順からなるシリアルデータを形成J
るとともに、#1の頭に16ビツ1−(仝t ” i 
” )の同11JIフレームSYNを挿入し。
Therefore, in 1K8M 33, as shown in Figure 4, t J: Sea urchin, 1 byte 4i/i formation winning streak type Otsuzu data, L rear 4
A data area 43 is provided for 1st and 11th win type A-type odds. Each data”
- In the rears 41, 42 and 43, one vote data is stored sequentially in 4 bars, and the data in the first byte 1] (#1) is the race number. +2nd buy 1-th data (#2)) 3byes 1~guchi (#3>'s first digit data is the voting number, #3
2nd digit 4th bar r r-c” (# /I
The data in the first digit of > is the expected dividend, the 21st t of #1.
j The data of I-1 indicates the IQ ticket type, respectively. In the J0 parallel-to-serial converter 35, [<Δtvl 31 of 33 + death data" - 1 of the Otsuzu data stored in Reno l
The voting data is converted from P to S, and #1. #
2. #3. Forms serial data in the order #/l
At the same time, there is a 16-bit 1-(t ” i
”) Insert the same 11JI frame SYN.

かつ廿4の次に伝送」ニラ−検定」−ド#5を挿入する
。その結果、第5図(a )に示づ如き時間長が王であ
る伝送データが作成され、これがノ(((線送(j口;
ふ22に送出される。この伝送J゛−夕が無線送仁鍬2
2に送出される間隔は、第55図(、b)に示1J:う
に、]−1である。
And after 廿4, insert transmission ``Nira test'' code #5. As a result, transmission data with a length of time as shown in FIG. 5(a) is created, and this data is
It is sent on F22. This transmission J-Yu is a wireless transmission 2
The interval at which the signal is sent to 2 is 1J:uni,]-1 as shown in FIG. 55(,b).

無線送信機22′C−は、第5図(a )に示り伝送デ
ータでしって搬送波を変調し、送信ファンナナを介して
送信t 8゜ 第6図は、伝送制御装置21と無線送信(幾22の動作
を示すフローチャートである。図にJ3いて、オツズ5
1棹ぼ2から単位時間間隔で出力されるAッズア′−夕
が受りイ」りられるたびに(ステップ100 ) 、各
Δツズデータ釦、目でA M 33の所定7−タ」−リ
アに順に格納される(ステップ200 )。
The radio transmitter 22'C- shown in FIG. 5(a) modulates a carrier wave using transmission data and transmits it via a transmission fan. (This is a flowchart showing the operation of number 22. In the figure, J3 and Otsuzu 5
Each time the A's outputted from 1 unit 2 at a unit time interval is received (step 100), each ΔT's data button is pressed to the predetermined 7''-rear of AM33. They are stored in order (step 200).

次ニ、1くΔM 33の所定データ」リアにオツズデー
タが#8納されていることを確認して(スノーツノ30
0) 、一定の時間間隔1゛1、例えば2秒間ドtXで
1(ΔM33に格納してL3+)るオツズデータの1投
票j゛−タ分を並直変換器35に出力覆る〈スーiッ!
400〉。すると、並直変換器35)h目)送出3れる
(zi送データフA−マツ1−に従って無線送信機22
からΔツズデータが送信されることどなる(ステップ5
00)。
Next, confirm that Otsuzu data #8 is stored in the rear of the specified data of 1kuΔM33 (Snowhorn 30
0), 1 vote of the Otsuzu data that is 1 (stored in ΔM33 and L3+) is outputted to the parallel-to-serial converter 35 at a fixed time interval of 1, for example 2 seconds.
400〉. Then, according to the parallel to serial converter 35) hth) transmission 3 (zi transmission data file A-Matsu 1-)
ΔTzu data is sent from
00).

一方、jlを帯出受信機23は、無線送(]幾22より
送イさされた電波を受信してこれを検波し、シリフ′ル
データからなるAツズデータを得る1代−粍)受(3部
51と、S→1つ変換を行ないパラレルデータからなる
Aツズデータを作成する直挿変換器52ど、ROM 5
3に格納され【いるシスtムノ′1−Iグラム1、: 
7;Lづいて動作し、II°1並変J!/I器52J、
りのAソズf−夕を[<ΔM5/lの所定土すノ/に格
納Jるどどもに、RAM54から表示部5Gの表示:に
:にAツズデータを転送する動作を行なう中央処理装置
(CPU)55とを(4/iえ、6部にはバラブリ57
より直流電源が供給されるようになっている。
On the other hand, the jl receiver 23 receives the radio waves transmitted from the wireless transmitter 22, detects them, and obtains Atsuzu data consisting of serial data. 51, a direct insertion converter 52 that performs S → one conversion and creates A-tsuzu data consisting of parallel data, and ROM 5.
3 is stored in System Muno'1-Igram 1:
7; Operates according to L, II°1 parallel variation J! /I device 52J,
The central processing unit performs the operation of transferring the A data from the RAM 54 to the display on the display unit 5G. (CPU) 55 and (4/i, part 6 has 57 variations)
DC power is now being supplied.

RAM54には、第8図に示すように、#1〜#4まで
の1投票分のデータと#5の伝送エラー検定コードが格
納される」−リアが設りられている。
As shown in FIG. 8, the RAM 54 is provided with data for one vote from #1 to #4 and a transmission error verification code for #5.

表示部5(3には、第9図に示す如さ表示器61が設り
られ、この表示器61にはレース番]3.投票番号、予
想配当J′3よび投票券種が表示されるにうになってい
る。投票券種の表示は、1が連勝式、2が単勝式、3が
祝勝式を示し−Cいる。
Display unit 5 (3 is provided with a display 61 as shown in FIG. 9, and this display 61 displays the race number) 3. Voting number, expected payout J'3, and voting ticket type are displayed. The voting ticket types are displayed: 1 indicates consecutive winning type, 2 indicates single winning type, and 3 indicates congratulatory winning type.

次に、’iE 10図に従って表示器61への表示動作
を説明りる。
Next, the display operation on the display 61 will be explained according to Figure 10 of 'iE.

まず最初のステップ600て、直挿変換器52の出力か
ら、SYNが検出されると、受信f−タ゛i15りど判
断され、#1から#5までのデータをRA〜I 5 ’
Iの所定上リアに格納りる(ステップ610)。次に、
伝送上シー検定−■−ドt> 5にJ、つC1t′1か
ら■4よ【のデータが正常Cあるか占かを判断しくスう
−ツブ620)、正常でな()ればエラー処理を行なう
First, in the first step 600, when SYN is detected from the output of the direct insertion converter 52, the receiving f-type is judged and the data from #1 to #5 are sent to RA to I5'.
It is stored in a predetermined upper rear of I (step 610). next,
Transmission C test - ■ - Do t > 5 is J, C1t'1 to ■4 [Judge whether the data is normal C or fortune-telling - Tsubu 620), if it is not normal ( ), it is an error. Process.

そして、#1から#4までの受信データが正常(・あれ
ば、レース番号の表示(ステップ630)、投票番号の
表示(ステップ64.0 ) 、予想配当の表示(ステ
ップ650)および投票券種の表示(ステップ660)
の各動作が行なわれる。
Then, if the received data from #1 to #4 is normal (if any), the race number is displayed (step 630), the voting number is displayed (step 64.0), the expected dividend is displayed (step 650), and the voting ticket type is displayed. Display (step 660)
Each operation is performed.

以」二の各ルーチンは受(r)jデータが検出されるた
びに行なわれるので、第5図(1〕)に示した1す1間
r’ + (例工ば2秒) ’)) 1iil l’f
;4 ’l”、表示器61にはAッズデータが更新表示
されることとなる。つまり、伝送制御装置側の1よΔM
に一時記憶されIこ仝てのAツズデークが(IL、帯出
受信奢幾の表示器に表示さ1する。
Since each of the following routines is executed every time the received (r)j data is detected, the time period r' + (for example, 2 seconds) ')) shown in Fig. 5 (1)). 1iil l'f
;4'l'', the A/D data will be updated and displayed on the display 61.In other words, 1 to ΔM on the transmission control device side
This data will be temporarily stored in the memory and displayed on the display of the received data.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来のオツズ表示方法を示づ)1コック図、第
2図はこの発明の一実施例に係る公営競技場仏埋装置を
示づ仝イホ構成図、第3図は上記実施例S4置のうちの
伝送制御11M置の114成を示すブ」]・ンク図、第
4図は上記伝送制御装置に1911える[く八Mに設り
られるデータ」−リノ′を承り(111成図、4155
図(a>は無線送信問にJjいてIll’J送波を変調
する伝送f−タを小すフA−マツI−1第55図(b)
は送18タイミンクを示タタイムチト−1〜、第6図は
伝送制?Jll B ra 43よび無線送信機の8作
を示すフ1」−チャート、第7図は(1!、帯出受信I
幾の414成を示Jブ【1ツク図、第8図は上記携帯用
受信機にKnえる1く△Mにδシリられるデータエリノ
アを示F+’ 41’+5成図、第9図(,1J−記(
1−帯出受信機に備える表示χ;への表示03様を小ず
図、第10図はtl’4帯川受イ8磯の動作を示ず]【
」−チ11−トである。 2・・・・・・・・・・・・オツズiti機21・・・
・・・・・・・・・伝送制御311装置22・・・・・
・・・・・・・無線送信機23・・・・・・・・・・・
・携帯用量イム(幾31.55・・・CPU 32.53・・・[でOM 33.54・・・1でA M 56・・・・・・・・・・・・表示部 41・・・・・・・・・・・・連勝式オツズデータエリ
ア/12・・・・・・・・・・・・甲1跨式Aツズデー
タエリア/I3・・・・・・・・・・・・複勝式オツズ
データエリア61・・・・・・・・・・・・表示器 ]・・・・・・・・・・・・・・・送信時間下1・・・
・・・・・・・・・送信間隔性W[出願人 第5図 (a) (b) 第6図 第7図 く 第9図 第10図 r−’7−処理
Fig. 1 shows a conventional Otsuzu display method), Fig. 2 shows a configuration diagram of a public stadium burial device according to an embodiment of the present invention, and Fig. 3 shows the above-mentioned embodiment. Figure 4 is a block diagram showing the 114 configuration of the transmission control 11M location in the S4 location. Figure, 4155
Fig. 55 (b)
Is the transmission system shown in Figure 6? Figure 7 is a chart showing eight works of Jll Bra 43 and radio transmitter.
Figure 8 shows the 414 composition of the above-mentioned portable receiver. 1J-Note (
1-Display provided in the Obi receiver χ; A small diagram of the display 03, Figure 10 does not show the operation of tl'4 Obikawa Ukei 8 Iso] [
” - Team 11-. 2・・・・・・・・・Otsuzu iti machine 21...
......Transmission control 311 device 22...
...... Wireless transmitter 23 ......
- Portable dose im (31.55...CPU 32.53...[OM 33.54...1 AM 56...Display section 41...・・・・・・・・・Continuous winning type Otsuzu data area/12・・・・・・・・・・・・A1 straddle type A Tsuzu data area/I3・・・・・・・・・・・・Multi-win type Otsuzu data area 61 ・・・・・・・・・Display] ・・・・・・・・・・・・Transmission time lower 1 ・・・
......Transmission interval W [Applicant's Figures 5(a) (b) Figure 6, Figure 7, Figure 9, Figure 10 r-'7-Processing

Claims (1)

【特許請求の範囲】 (1〉発売された投票券に基づきオツズをわ出し、il
f位時開時間間隔ツズデータを更新出力JるΔツズFi
l−CW l幾と; 前記オツズデータを搬送波に乗U゛て無線送信Jる送信
機と; OFi記lj(線送fΔされたオツズデータを受信りる
とともに、これを備え(=JC]の表示器に表示する4
1% ’bj’川受信用幾とを備えたことを14徴とす
る公営競技場管L!l!装置。
[Scope of Claims]
Update output of open time interval Tsuzu data at position f J Δ Tsuzu Fi
A transmitter that wirelessly transmits the Otsuzu data on a carrier wave; A display device that receives the Otsuzu data that has been transmitted by wire (=JC); Display on 4
1% Public stadium management L with 14 features including 'bj' river reception network! l! Device.
JP59040135A 1984-03-02 1984-03-02 Controller of public sport stadium Pending JPS60183674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59040135A JPS60183674A (en) 1984-03-02 1984-03-02 Controller of public sport stadium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59040135A JPS60183674A (en) 1984-03-02 1984-03-02 Controller of public sport stadium

Publications (1)

Publication Number Publication Date
JPS60183674A true JPS60183674A (en) 1985-09-19

Family

ID=12572347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59040135A Pending JPS60183674A (en) 1984-03-02 1984-03-02 Controller of public sport stadium

Country Status (1)

Country Link
JP (1) JPS60183674A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999201A (en) * 1972-12-29 1974-09-19
JPS5617538A (en) * 1979-07-23 1981-02-19 Nec Corp Display system of visual information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999201A (en) * 1972-12-29 1974-09-19
JPS5617538A (en) * 1979-07-23 1981-02-19 Nec Corp Display system of visual information

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