BE684393A - - Google Patents
Info
- Publication number
- BE684393A BE684393A BE684393DA BE684393A BE 684393 A BE684393 A BE 684393A BE 684393D A BE684393D A BE 684393DA BE 684393 A BE684393 A BE 684393A
- Authority
- BE
- Belgium
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
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
- H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
- H04M1/2155—Acoustic coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/066—Telephone sets adapted for data transmision
-
- 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
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Facsimiles In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47367665A | 1965-07-21 | 1965-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE684393A true BE684393A (en:Method) | 1967-01-03 |
Family
ID=23880539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE684393D BE684393A (en:Method) | 1965-07-21 | 1966-07-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3449522A (en:Method) |
| BE (1) | BE684393A (en:Method) |
| CH (1) | CH454230A (en:Method) |
| DE (1) | DE1462783A1 (en:Method) |
| ES (1) | ES329256A1 (en:Method) |
| GB (1) | GB1102158A (en:Method) |
| NL (1) | NL6610186A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585302A (en) * | 1969-02-17 | 1971-06-15 | Anderson Jacobson Inc | Acoustic coupler |
| US3592966A (en) * | 1969-03-06 | 1971-07-13 | Xerox Corp | Acoustical coupling apparatus |
| US3657479A (en) * | 1970-11-13 | 1972-04-18 | Magnavox Co | Acoustic coupler and preamplifier for facsimile machines |
| US3725584A (en) * | 1970-12-30 | 1973-04-03 | Ibm | Acoustic coupler |
| US3808369A (en) * | 1972-06-16 | 1974-04-30 | M12 Inc | Attenuation equalizing acoustic coupler |
| US4246444A (en) * | 1978-11-30 | 1981-01-20 | Anderson Jacobson, Inc. | Telephone handset acoustic coupling cup |
| GB2180721B (en) * | 1985-09-20 | 1988-11-16 | Unisys Corp | Acoustic coupler for a telephone handset |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1503590A (en) * | 1922-06-13 | 1924-08-05 | Picturadio Corp | Method and system for transmitting pictures to a distance |
| USRE22198E (en) * | 1939-03-25 | 1942-10-06 | Method and arrangement for trans | |
| US2402341A (en) * | 1944-10-06 | 1946-06-18 | Allied Engineering Corp | Voice amplifying device |
| US2907827A (en) * | 1955-07-22 | 1959-10-06 | Sheridan Gallagher | Telephone device |
| US3092688A (en) * | 1960-09-21 | 1963-06-04 | Rector Joseph | Combined telephone amplifier and radio receiver |
-
1965
- 1965-07-21 US US473676A patent/US3449522A/en not_active Expired - Lifetime
-
1966
- 1966-07-18 GB GB32196/66A patent/GB1102158A/en not_active Expired
- 1966-07-19 CH CH1041366A patent/CH454230A/de unknown
- 1966-07-19 ES ES0329256A patent/ES329256A1/es not_active Expired
- 1966-07-20 BE BE684393D patent/BE684393A/xx unknown
- 1966-07-20 NL NL6610186A patent/NL6610186A/xx unknown
- 1966-07-20 DE DE19661462783 patent/DE1462783A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1102158A (en) | 1968-02-07 |
| CH454230A (de) | 1968-04-15 |
| DE1462783A1 (de) | 1968-12-19 |
| ES329256A1 (es) | 1967-08-16 |
| NL6610186A (en:Method) | 1967-01-23 |
| US3449522A (en) | 1969-06-10 |