GB1487465A - Telephone sets - Google Patents
Telephone setsInfo
- Publication number
- GB1487465A GB1487465A GB29735/75A GB2973575A GB1487465A GB 1487465 A GB1487465 A GB 1487465A GB 29735/75 A GB29735/75 A GB 29735/75A GB 2973575 A GB2973575 A GB 2973575A GB 1487465 A GB1487465 A GB 1487465A
- Authority
- GB
- United Kingdom
- Prior art keywords
- housing
- handset
- telephone sets
- ringer
- horn
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
1487465 Telephone sets; acoustic horns SIEMENS AG 16 July 1975 [23 Aug 1974] 29735/75 Headings H4J and H4X The handset 9 and housing 10 of a telephone set are so shaped that with the handset positioned on the housing, an acoustic horn 15 is formed between the handset and housing, the horn enhancing the sound output of an electroacoustical ringer 11 mounted in the housing. The ringer may be a piezoelectric plate.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742440511 DE2440511C3 (en) | 1974-08-23 | Remote speaking station |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1487465A true GB1487465A (en) | 1977-09-28 |
Family
ID=5923950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29735/75A Expired GB1487465A (en) | 1974-08-23 | 1975-07-16 | Telephone sets |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5126401A (en) |
AR (1) | AR203520A1 (en) |
AT (1) | AT341008B (en) |
AU (1) | AU500043B2 (en) |
BE (1) | BE832673A (en) |
BR (1) | BR7505312A (en) |
CH (1) | CH596720A5 (en) |
FR (1) | FR2282761A1 (en) |
GB (1) | GB1487465A (en) |
IT (1) | IT1041872B (en) |
NL (1) | NL7507209A (en) |
SE (1) | SE7509392L (en) |
ZA (1) | ZA754822B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5333308U (en) * | 1976-08-30 | 1978-03-23 | ||
JPS53105106A (en) * | 1977-02-24 | 1978-09-13 | San Terehon Kk | Buzzer circuit |
JPS57155845A (en) * | 1981-03-20 | 1982-09-27 | Nippon Telegr & Teleph Corp <Ntt> | Dial confirming tone information system for radio telephone set |
JPS5813767U (en) * | 1981-07-19 | 1983-01-28 | サニ−電子株式会社 | intercom |
JPS5835126A (en) * | 1981-08-27 | 1983-03-01 | Sumitomo Chem Co Ltd | Preparation of isobutylene |
JPS58173954U (en) * | 1982-05-17 | 1983-11-21 | ティーオーエー株式会社 | Confidential loudspeaker phone |
JPS60155246U (en) * | 1984-03-26 | 1985-10-16 | 三洋電機株式会社 | Telephone handset device |
JPS6224749A (en) * | 1985-07-25 | 1987-02-02 | Fujitsu Ltd | Sounder structure of communication equipment |
-
1975
- 1975-06-17 NL NL7507209A patent/NL7507209A/en not_active Application Discontinuation
- 1975-06-24 JP JP50078605A patent/JPS5126401A/ja active Pending
- 1975-06-26 AT AT490675A patent/AT341008B/en not_active IP Right Cessation
- 1975-07-16 GB GB29735/75A patent/GB1487465A/en not_active Expired
- 1975-07-21 AR AR259680A patent/AR203520A1/en active
- 1975-07-28 ZA ZA00754822A patent/ZA754822B/en unknown
- 1975-07-31 AU AU83547/75A patent/AU500043B2/en not_active Expired
- 1975-08-14 CH CH1058375A patent/CH596720A5/xx not_active IP Right Cessation
- 1975-08-20 IT IT26437/75A patent/IT1041872B/en active
- 1975-08-20 BR BR7505312*A patent/BR7505312A/en unknown
- 1975-08-22 FR FR7526031A patent/FR2282761A1/en active Granted
- 1975-08-22 BE BE159403A patent/BE832673A/en unknown
- 1975-08-22 SE SE7509392A patent/SE7509392L/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5126401A (en) | 1976-03-04 |
DE2440511B2 (en) | 1976-08-26 |
AU8354775A (en) | 1977-02-03 |
SE7509392L (en) | 1976-02-24 |
BE832673A (en) | 1976-02-23 |
FR2282761A1 (en) | 1976-03-19 |
AT341008B (en) | 1978-01-10 |
CH596720A5 (en) | 1978-03-15 |
AR203520A1 (en) | 1975-09-15 |
AU500043B2 (en) | 1979-05-10 |
IT1041872B (en) | 1980-01-10 |
DE2440511A1 (en) | 1976-03-04 |
BR7505312A (en) | 1976-08-03 |
NL7507209A (en) | 1976-02-25 |
ZA754822B (en) | 1976-07-28 |
FR2282761B1 (en) | 1980-08-29 |
ATA490675A (en) | 1977-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |