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 |
|---|---|
| DE2453185B1 (de) | 1975-12-18 |
| AR211630Q (es) | 1978-02-15 |
| FI751324A7 (enrdf_load_stackoverflow) | 1976-05-08 |
| NO138503C (no) | 1978-09-27 |
| NO138503B (no) | 1978-06-05 |
| NO751483L (enrdf_load_stackoverflow) | 1976-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |