NO132216C - - Google Patents
Info
- Publication number
- NO132216C NO132216C NO3014/70A NO301470A NO132216C NO 132216 C NO132216 C NO 132216C NO 3014/70 A NO3014/70 A NO 3014/70A NO 301470 A NO301470 A NO 301470A NO 132216 C NO132216 C NO 132216C
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Transceivers (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6926875A FR2055900A5 (enExample) | 1969-08-05 | 1969-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO132216B NO132216B (enExample) | 1975-06-23 |
| NO132216C true NO132216C (enExample) | 1975-10-01 |
Family
ID=9038660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3014/70A NO132216C (enExample) | 1969-08-05 | 1970-08-04 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3707606A (enExample) |
| FR (1) | FR2055900A5 (enExample) |
| GB (1) | GB1318054A (enExample) |
| NO (1) | NO132216C (enExample) |
| SE (1) | SE367111B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536888A (en) * | 1981-08-21 | 1985-08-20 | Plantronics, Inc. | Voice communication instrument system with line-powered receiver conditioning circuit |
| IT1218851B (it) * | 1984-10-31 | 1990-04-24 | Ates Componenti Elettron | Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi |
| US4879746A (en) * | 1987-12-30 | 1989-11-07 | Plantronics, Inc. | Voice communication link interface apparatus |
| US12492884B2 (en) | 2021-12-13 | 2025-12-09 | Exponential Innovation IP Holdings LLC | Accessory mount system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254433A (enExample) * | 1960-08-01 | |||
| US3395255A (en) * | 1964-07-01 | 1968-07-30 | Bell Telephone Labor Inc | Loudspeaking telephone |
| US3562791A (en) * | 1967-12-07 | 1971-02-09 | Int Standard Electric Corp | Loudspeaker telephone circuit arrangement |
| US3558830A (en) * | 1969-04-09 | 1971-01-26 | Communication Technology Inc | Overvoltage transmission line protector |
| BE759917A (fr) * | 1969-12-08 | 1971-05-17 | Western Electric Co | Reseau a frequence acoustique |
-
1969
- 1969-08-05 FR FR6926875A patent/FR2055900A5/fr not_active Expired
-
1970
- 1970-05-27 SE SE07285/70A patent/SE367111B/xx unknown
- 1970-07-30 US US59569A patent/US3707606A/en not_active Expired - Lifetime
- 1970-08-04 NO NO3014/70A patent/NO132216C/no unknown
- 1970-08-04 GB GB3769270A patent/GB1318054A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3707606A (en) | 1972-12-26 |
| NO132216B (enExample) | 1975-06-23 |
| FR2055900A5 (enExample) | 1971-05-14 |
| SE367111B (enExample) | 1974-05-13 |
| GB1318054A (en) | 1973-05-23 |