GB1521283A - Telephone handset - Google Patents
Telephone handsetInfo
- Publication number
- GB1521283A GB1521283A GB33812/75A GB3381275A GB1521283A GB 1521283 A GB1521283 A GB 1521283A GB 33812/75 A GB33812/75 A GB 33812/75A GB 3381275 A GB3381275 A GB 3381275A GB 1521283 A GB1521283 A GB 1521283A
- Authority
- GB
- United Kingdom
- Prior art keywords
- perforations
- telephone handset
- transmitter
- receiver
- wall
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
-
- 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
- H04M1/20—Arrangements for preventing acoustic feed-back
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742453185 DE2453185C2 (de) | 1974-11-07 | Anordnung für Fernsprechhandapparate mit verbreiterten Griffflächen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1521283A true GB1521283A (en) | 1978-08-16 |
Family
ID=5930411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33812/75A Expired GB1521283A (en) | 1974-11-07 | 1975-08-13 | Telephone handset |
Country Status (4)
Country | Link |
---|---|
AR (1) | AR211630Q (enrdf_load_stackoverflow) |
FI (1) | FI751324A7 (enrdf_load_stackoverflow) |
GB (1) | GB1521283A (enrdf_load_stackoverflow) |
NO (1) | NO138503C (enrdf_load_stackoverflow) |
-
1975
- 1975-04-25 NO NO751483A patent/NO138503C/no unknown
- 1975-05-05 FI FI751324A patent/FI751324A7/fi not_active Application Discontinuation
- 1975-08-13 GB GB33812/75A patent/GB1521283A/en not_active Expired
-
1977
- 1977-02-25 AR AR266686A patent/AR211630Q/es unknown
Also Published As
Publication number | Publication date |
---|---|
NO138503B (no) | 1978-06-05 |
FI751324A7 (enrdf_load_stackoverflow) | 1976-05-08 |
AR211630Q (es) | 1978-02-15 |
NO138503C (no) | 1978-09-27 |
NO751483L (enrdf_load_stackoverflow) | 1976-05-10 |
DE2453185B1 (de) | 1975-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES474718A1 (es) | Perfeccionamientos en sistemas de comunicaciones con una pluralidad de estaciones | |
GB2003002B (en) | Telephone transmission installation between interlocutors in a noisy environment | |
CA1017087A (en) | Electronic telephone subscriber set | |
GB1521283A (en) | Telephone handset | |
GB1185777A (en) | Improvements in or relating to Telephone Handsets | |
CA1007774A (en) | Electronic tone ringer | |
AU500043B2 (en) | Telephone ringer arrangement | |
CA1004787A (en) | Telephone ringer isolator-ringing extender | |
CA959184A (en) | Low harmonic telephone ringing generator | |
JPS5410543A (en) | Door sealing member | |
JPS53110305A (en) | Telephone set | |
JPS51128205A (en) | Telephone device | |
JPS5561197A (en) | Electric-acoustic mutual converter | |
AU499019B2 (en) | Telephone ringer attachment | |
JPS5621458A (en) | Remote control telephone dial unit | |
JPS523424A (en) | Non-combustible speaker vibration plate | |
JPS547803A (en) | Cordless telephone set | |
JPS51128208A (en) | Idling power saving | |
JPS522427A (en) | Oscillating plate for loud-speaker | |
JPS5234601A (en) | Calling circuit | |
JPS5247304A (en) | Polling address detection system | |
GB718772A (en) | Improvements in or relating to telephone sets | |
JPS5422107A (en) | Telephone calling device | |
JPS5325303A (en) | Mobile telephone unit | |
JPS51115710A (en) | Telephone exchange device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |