JP2572776Y2 - Video tape recorder - Google Patents

Video tape recorder

Info

Publication number
JP2572776Y2
JP2572776Y2 JP1990013352U JP1335290U JP2572776Y2 JP 2572776 Y2 JP2572776 Y2 JP 2572776Y2 JP 1990013352 U JP1990013352 U JP 1990013352U JP 1335290 U JP1335290 U JP 1335290U JP 2572776 Y2 JP2572776 Y2 JP 2572776Y2
Authority
JP
Japan
Prior art keywords
base plate
tape
guide pin
video
head
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.)
Expired - Lifetime
Application number
JP1990013352U
Other languages
Japanese (ja)
Other versions
JPH03106546U (en
Inventor
泰人 荒木
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.)
Funai Electric Co Ltd
Original Assignee
Funai Electric Co Ltd
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 Funai Electric Co Ltd filed Critical Funai Electric Co Ltd
Priority to JP1990013352U priority Critical patent/JP2572776Y2/en
Publication of JPH03106546U publication Critical patent/JPH03106546U/ja
Application granted granted Critical
Publication of JP2572776Y2 publication Critical patent/JP2572776Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Description

【考案の詳細な説明】 「産業上の利用分野」 本考案はビデオテープを装着して録画再生を行うビデ
オテープレコーダに関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a video tape recorder that performs recording and playback by mounting a video tape.

「従来の技術」 従来、1本のビデオテープに複数内容の録画部を形成
する場合、各録画部の先頭位置に頭出し信号を予め記録
させ、この頭出し信号の検出により希望する録画部の先
頭を再生位置に自動的に移動させる技術(ビデオインデ
ックスサーチシステム)があった。
2. Description of the Related Art Conventionally, in the case where a plurality of content recording sections are formed on one video tape, a cue signal is previously recorded at the head position of each recording section, and a desired cue section is detected by detecting the cue signal. There was a technique (video index search system) for automatically moving the head to the playback position.

「考案が解決しようとする問題点」 前記従来技術は、ビデオテープの頭出し信号を読取る
制御ヘッドと、該ヘッド位置までビデオテープを引出す
高速頭出し用テープガイドピンを設けていたが、そのテ
ープガイドピンを取付ける高速頭出し用台板を一定高さ
に支持させる構造であったから、前記ヘッドに対するテ
ープガイドピンの取付高さ精度が要求されると同時に、
前記台板及び台板支持機構及び制御ヘッド支持機構にも
同様の加工組立精度を必要とする等の製造上の問題があ
った。
"Problems to be Solved by the Invention" The prior art is provided with a control head for reading a cue signal of a video tape, and a high-speed cue tape guide pin for pulling out the video tape to the head position. Since the high-speed cueing base plate for mounting the guide pin was configured to be supported at a fixed height, the mounting height accuracy of the tape guide pin with respect to the head is required,
The base plate, the base plate support mechanism, and the control head support mechanism also have manufacturing problems such as requiring similar processing and assembly precision.

「問題点を解決するための手段」 然るに、本考案は、テープの頭出し信号を読取る制御
ヘッド位置にテープガイドピンを介してテープを引出す
ビデオテープレコーダにおいて、該テープガイドピンを
固設する台板と、シャーシ上に立設固定され、該台板を
水平回転及び昇降自在に軸支する支点軸と、該支点軸に
巻装し台板下面を圧接するバネと、該支点軸上端側に螺
着し、該バネとにより該台板の高さ調整を行うナット
と、該台板の該支点軸取付位置と該テープガイドピン取
付位置との間に昇降自在に設ける水平回転ガイド体と
を、設けたことを特徴とするものである。
SUMMARY OF THE INVENTION However, the present invention provides a video tape recorder that pulls out a tape via a tape guide pin at a control head position for reading a tape cue signal. A plate, a fulcrum shaft that is erected on the chassis, and supports the base plate so that it can be rotated and raised and lowered freely; a spring that is wound around the fulcrum shaft and presses the lower surface of the base plate; A nut that is screwed in and adjusts the height of the base plate with the spring, and a horizontal rotating guide body that is provided between the fulcrum shaft mounting position and the tape guide pin mounting position of the base plate so as to be able to move up and down. , Provided.

「作用」 従って、テープガイドピンの取付において、バネ及び
ナットにより台板の高さ調整を行い得、水平回転ガイド
体を設けることで、台板の傾きを防止してシャーシに水
平に昇降し得るものである。
[Operation] Accordingly, in mounting the tape guide pin, the height of the base plate can be adjusted by a spring and a nut, and by providing a horizontal rotation guide body, the base plate can be prevented from tilting and can be moved up and down horizontally on the chassis. Things.

「実施例」 以下、本考案の実施例を図面に基づいて詳述する。第
1図は要部の説明図、第2図は平面説明図であり、平面
視矩形状のデッキシャーシ(1)上面に左右側板(2)
(3)を立設固定させ、ローディングモータ(4)によ
って駆動するローディングギヤ機構(5)(6)を各側
板(2)(3)外側に配設させると共に、前後及び上下
に移動自在に各側板(2)(3)間にカセットホルダ
(7)を架設させ、該ホルダ(7)にビデオカセット
(8)を出入させるように構成している。
"Example" Hereinafter, an example of the present invention will be described in detail with reference to the drawings. FIG. 1 is an explanatory view of a main part, and FIG. 2 is an explanatory plan view. FIG. 1 is a plan view of a rectangular deck chassis (1).
(3) is erected and fixed, and loading gear mechanisms (5) and (6) driven by a loading motor (4) are arranged outside the side plates (2) and (3). A cassette holder (7) is provided between the side plates (2) and (3), and a video cassette (8) is inserted into and out of the holder (7).

またテープ走行モータ(9)と、該モータ(9)によ
って回転させるフライホイール(10)と、フライホイー
ル(10)上に立設固定させるキャプスタン軸(11)と、
該軸(11)に接合させるピンチローラ(12)と、カセッ
ト(8)のリール軸に係入させる巻取及び巻戻リール軸
(13)(14)と、ローディングシャーシ(15)上に移動
自在に設けるテープローディングピン(16)(17)と、
回転自在なシリンダドラム及びビデオヘッドを備える映
像ヘッド部(18)と、映像消去ヘッド(19)と、音声ヘ
ッド部(20)とを、デッキシャーシ(1)上面に配設さ
せるもので、ホルダ(7)を介してリール軸(13)(1
4)にカセット(8)を装着時、カセット(8)のビデ
オテープ(21)をローディングピン(16)(17)によっ
て引出し、映像ヘッド部(18)のシリンダドラム外周に
ビデオテープ(21)を半巻装させ、キャプスタン軸(1
1)とピンチローラ(12)によってテープ(21)を定速
走行させて録画再生を行うように構成している。
A tape running motor (9), a flywheel (10) rotated by the motor (9), and a capstan shaft (11) standing and fixed on the flywheel (10);
A pinch roller (12) to be joined to the shaft (11), a winding and rewinding reel shaft (13) (14) to be engaged with a reel shaft of the cassette (8), and a movable on a loading chassis (15). Tape loading pins (16) and (17)
A video head unit (18) having a rotatable cylinder drum and a video head, a video erasing head (19), and an audio head unit (20) are arranged on the upper surface of the deck chassis (1). 7) through the reel shaft (13) (1
4) When the cassette (8) is mounted, the video tape (21) of the cassette (8) is pulled out with the loading pins (16) and (17), and the video tape (21) is wound around the cylinder drum of the video head (18). Half-wrap the capstan shaft (1
The tape (21) is run at a constant speed by the pinch roller (1) and the pinch roller (12) to perform recording and playback.

さらに、第1図及び第3図に示す如く、ビデオテープ
(21)は中央部に映像信号入力用映像帯域(21a)と
し、テープ(21)上端縁に音声信号入力用音声帯域(21
b)を、またテープ(21)下端縁に頭出し信号入力用制
御帯域(21c)を夫々形成すると共に、テープ(21)の
音声帯域(21b)に摺接させるオーディオヘッド(22)
と、テープ(21)の制御帯域(21c)に摺接させる制御
ヘッド(23)と、各ヘッド(22)(23)のテープ送り上
手側に位置させる消去ヘッド(24)とを、音声ヘッド部
(20)に設けて、ヘッド取付板(25)を介してシャーシ
(1)上に支持させている。
As shown in FIGS. 1 and 3, the video tape (21) has a video signal input video band (21a) at the center and an audio signal input audio band (21) at the upper edge of the tape (21).
an audio head (22) for forming a cue signal input control band (21c) at the lower edge of the tape (21) and slidingly contacting the audio band (21b) of the tape (21).
A control head (23) for slidingly contacting the control band (21c) of the tape (21), and an erasing head (24) positioned on the tape feeding upper side of each of the heads (22) and (23). (20), and is supported on the chassis (1) via a head mounting plate (25).

また、リール軸(13)(14)に装着したカセット
(8)から音声ヘッド部(20)位置にビデオテープ(2
1)を引出す高速頭出し用テープガイドピン(26)を設
け、高速頭出し用台板(27)の一端側上面にガイドピン
(26)を立設固定させるもので、デッキシャーシ(1)
上に立設固定させる支点軸(28)に台板(27)他端側を
水平回転及び昇降自在に軸支させ、軟質ナイロンナット
(29)を支点軸(28)上端側に螺着させ、支点軸(28)
に巻装させるバネ(30)を台板(27)下面に圧接させる
と共に、水平回転ガイド体(31)を台板(27)中間に昇
降自在に設け、前記ナット(29)の螺出入操作により台
板(27)を高さ調整自在に取付けている。
The video tape (2) is moved from the cassette (8) mounted on the reel shafts (13) (14) to the position of the audio head (20).
A tape guide pin (26) for high-speed search is provided to draw out 1), and the guide pin (26) is erected and fixed on the upper surface on one end side of the base plate (27) for high-speed search. The deck chassis (1)
The other end of the base plate (27) is supported on the fulcrum shaft (28) to be erected and fixed vertically on the fulcrum shaft (28) so that it can be freely rotated and moved up and down. Support axis (28)
A spring (30) to be wound around the base plate (27) is pressed against the lower surface of the base plate (27), and a horizontal rotating guide body (31) is provided at the center of the base plate (27) so as to be able to move up and down. The base plate (27) is attached so that the height can be adjusted.

そして、組立作業完了後で、テープ(21)の走行調整
を終了した後にナット(29)を螺出入させ、台板(27)
の高さを調整し、制御ヘッド(23)に対するガイドピン
(26)の高さを調整し、ガイドピン(26)によって走行
案内するテープ(21)の制御帯域(23)を制御ヘッド
(23)に相対させるもので、巻取又は巻戻状態でテープ
(21)を高速移動させ乍ら、制御帯域(23)の頭出し信
号を制御ヘッド(23)に読取らせる高速頭出し動作を行
わせるように構成している。
After the assembly work is completed, the nut (29) is screwed in and out after the travel adjustment of the tape (21) is completed, and the base plate (27)
The height of the guide pin (26) relative to the control head (23), and the control band (23) of the tape (21) guided by the guide pin (26). In the winding or rewinding state, the tape (21) is moved at a high speed, and the control head (23) reads a cue signal of the control band (23). It is configured as follows.

また、軟質素材であるナイロンナット(29)を用いて
台板(27)を取付けるから、高さ調整後の振動等による
台板(27)の歪変形を防止し、ガイドピン(26)を所定
高さに支持するものである。
In addition, since the base plate (27) is attached using the nylon nut (29), which is a soft material, distortion of the base plate (27) due to vibration or the like after height adjustment is prevented, and the guide pin (26) is fixed to the predetermined position. It is supported by height.

従って、ガイドピン(26)を一定高さに組付けていた
従来構造に比べ、ガイドピン(26)及び台板(27)及び
支点軸(28)などの加工組立寸法誤差が発生しても、ナ
ット(29)の高さ調整によってガイドピン(26)を適正
高さに支持できると共に、台板(27)の歪変形をナット
(29)の軟質性によって防ぐもので、テープ(21)の高
速頭出し制御の誤動作をなくし、制御ヘッド(23)によ
ってテープ(21)の頭出し信号を適正に読取らせ、希望
する録画部分の先頭位置を再生位置に自動的に正確に到
達させることができるものである。
Therefore, compared with the conventional structure in which the guide pin (26) is assembled at a constant height, even if a processing assembly dimensional error of the guide pin (26), the base plate (27) and the fulcrum shaft (28) occurs, The guide pin (26) can be supported at an appropriate height by adjusting the height of the nut (29), and the deformation of the base plate (27) is prevented by the softness of the nut (29). Eliminates malfunction of the cueing control, allows the control head (23) to read the cueing signal of the tape (21) properly, and automatically and accurately reaches the head position of the desired recording portion to the playback position. Things.

「考案の効果」 以上実施例から明らかなように本考案は、テープ(2
1)の頭出し信号を読取る制御ヘッド(23)位置にテー
プガイドピン(26)を介してテープ(21)を引出すビデ
オテープレコーダにおいて、該テープガイドピン(26)
を固設する台板(27)と、シャーシ(1)上に立設固定
され、該台板(27)を水平回転及び昇降自在に軸支する
支点軸(28)と、該支点軸(28)に巻装し台板(27)下
面を圧接するバネ(30)と、該支点軸(28)上端側に螺
着し、該バネ(30)とにより該台板(27)の高さ調整を
行うナット(29)と、該台板(27)の該支点軸(28)取
付位置と該テープガイドピン(26)取付位置との間に昇
降自在に設ける水平回転ガイド体(31)とを、設けたも
ので、テープガイドピン(26)の取付において、バネ
(30)及びナット(29)により台板(27)の高さ調整を
行うことができ、水平回転ガイド体(31)を設けること
で、台板(27)の傾きを防止してシャーシ(1)に水平
に昇降できるものである。
[Effects of the Invention] As is clear from the above examples, the present invention uses tape (2
In a video tape recorder that pulls out a tape (21) via a tape guide pin (26) to a position of a control head (23) for reading a cue signal of 1), the tape guide pin (26)
(27), a fulcrum shaft (28) that is erected and fixed on the chassis (1), and supports the pedestal (27) horizontally and vertically. ), And a spring (30) that presses the lower surface of the base plate (27) and is screwed to the upper end side of the fulcrum shaft (28), and the height of the base plate (27) is adjusted by the spring (30). (29), and a horizontal rotating guide body (31) provided to be able to move up and down between the fulcrum shaft (28) mounting position of the base plate (27) and the tape guide pin (26) mounting position. In mounting the tape guide pin (26), the height of the base plate (27) can be adjusted by the spring (30) and the nut (29), and the horizontal rotating guide body (31) is provided. Thereby, the inclination of the base plate (27) can be prevented, and the platform (27) can be moved up and down horizontally on the chassis (1).

【図面の簡単な説明】[Brief description of the drawings]

第1図は本考案の一実施例を示す要部の説明図、第2図
は平面説明図、第3図は部分平面図である。 (21)……テープ (23)……制御ヘッド (26)……テープガイドピン (27)……台板
FIG. 1 is an explanatory view of a main part showing an embodiment of the present invention, FIG. 2 is an explanatory plan view, and FIG. 3 is a partial plan view. (21) Tape (23) Control head (26) Tape guide pin (27) Base plate

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】テープ(21)の頭出し信号を読取る制御ヘ
ッド(23)位置にテープガイドピン(26)を介してテー
プ(21)を引出すビデオテープレコーダにおいて、該テ
ープガイドピン(26)を固設する台板(27)と、シャー
シ(1)上に立設固定され、該台板(27)を水平回転及
び昇降自在に軸支する支点軸(28)と、該支点軸(28)
に巻装し台板(27)下面を圧接するバネ(30)と、該支
点軸(28)上端側に螺着し、該バネ(30)とにより該台
板(27)の高さ調整を行うナット(29)と、該台板(2
7)の該支点軸(28)取付位置と該テープガイドピン(2
6)取付位置との間に昇降自在に設ける水平回転ガイド
体(31)とを、設けたことを特徴とするビデオテープレ
コーダ。
In a video tape recorder for pulling out a tape (21) via a tape guide pin (26) at a position of a control head (23) for reading a cue signal of the tape (21), the tape guide pin (26) is used. A fixed base plate (27), a fulcrum shaft (28) that is erected and fixed on the chassis (1), and that supports the base plate (27) horizontally and vertically.
And a spring (30) for pressing the lower surface of the base plate (27) into contact with the lower surface of the base plate (27), and screwing the upper end side of the fulcrum shaft (28) to adjust the height of the base plate (27) with the spring (30). Nut (29) and the base plate (2
7) The mounting position of the fulcrum shaft (28) and the tape guide pin (2
6) A video tape recorder characterized by comprising a horizontal rotating guide body (31) provided to be able to move up and down between the mounting position.
JP1990013352U 1990-02-14 1990-02-14 Video tape recorder Expired - Lifetime JP2572776Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990013352U JP2572776Y2 (en) 1990-02-14 1990-02-14 Video tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990013352U JP2572776Y2 (en) 1990-02-14 1990-02-14 Video tape recorder

Publications (2)

Publication Number Publication Date
JPH03106546U JPH03106546U (en) 1991-11-05
JP2572776Y2 true JP2572776Y2 (en) 1998-05-25

Family

ID=31516773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990013352U Expired - Lifetime JP2572776Y2 (en) 1990-02-14 1990-02-14 Video tape recorder

Country Status (1)

Country Link
JP (1) JP2572776Y2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07122946B2 (en) * 1985-12-20 1995-12-25 松下電器産業株式会社 Magnetic tape device
JPS62117741U (en) * 1986-01-17 1987-07-27
JPS63164826U (en) * 1987-04-14 1988-10-27
JPH01159240U (en) * 1988-04-19 1989-11-02

Also Published As

Publication number Publication date
JPH03106546U (en) 1991-11-05

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