FR2603440A1 - HANDS-FREE TELEPHONE CONFIGURATION FOR TELECONFERENCES - Google Patents
HANDS-FREE TELEPHONE CONFIGURATION FOR TELECONFERENCESInfo
- Publication number
- FR2603440A1 FR2603440A1 FR8612395A FR8612395A FR2603440A1 FR 2603440 A1 FR2603440 A1 FR 2603440A1 FR 8612395 A FR8612395 A FR 8612395A FR 8612395 A FR8612395 A FR 8612395A FR 2603440 A1 FR2603440 A1 FR 2603440A1
- Authority
- FR
- France
- Prior art keywords
- teleconferences
- hands
- free telephone
- telephone configuration
- functions
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Telephone Set Structure (AREA)
Abstract
Configuration enabling a group of users to hear and break in freely on a conversation to give an answer, around a telephone set, without having to manipulate or hold a receiver. The invention implements means modally different for both speaking and hearing functions, which means are selected as a function of the absence of any harmful interactive effect. Only one of these two functions, speech, occupies the acoustic space of the conference site.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8612395A FR2603440A1 (en) | 1986-09-01 | 1986-09-01 | HANDS-FREE TELEPHONE CONFIGURATION FOR TELECONFERENCES |
PCT/FR1987/000340 WO1988001821A1 (en) | 1986-09-01 | 1987-08-31 | Telephone configuration of the hands-free type for teleconferences |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8612395A FR2603440A1 (en) | 1986-09-01 | 1986-09-01 | HANDS-FREE TELEPHONE CONFIGURATION FOR TELECONFERENCES |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2603440A1 true FR2603440A1 (en) | 1988-03-04 |
Family
ID=9338675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8612395A Withdrawn FR2603440A1 (en) | 1986-09-01 | 1986-09-01 | HANDS-FREE TELEPHONE CONFIGURATION FOR TELECONFERENCES |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2603440A1 (en) |
WO (1) | WO1988001821A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB620695A (en) * | 1946-06-19 | 1949-03-29 | James Henry Robinson Peers | Improvements in or relating to amplifying devices for use with telephone sets |
JPS6039969A (en) * | 1983-08-12 | 1985-03-02 | Tatsuta Electric Wire & Cable Co Ltd | Conference telephone set |
US4555592A (en) * | 1983-05-23 | 1985-11-26 | Teleconferencing Systems International, Inc. | Wireless hands-free conference telephone system |
EP0187696A2 (en) * | 1985-01-03 | 1986-07-16 | Controlonics Corporation | Full duplex conferencing system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2542992B2 (en) * | 1992-07-22 | 1996-10-09 | 菊水化学工業株式会社 | Flame-retardant surface material |
-
1986
- 1986-09-01 FR FR8612395A patent/FR2603440A1/en not_active Withdrawn
-
1987
- 1987-08-31 WO PCT/FR1987/000340 patent/WO1988001821A1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB620695A (en) * | 1946-06-19 | 1949-03-29 | James Henry Robinson Peers | Improvements in or relating to amplifying devices for use with telephone sets |
US4555592A (en) * | 1983-05-23 | 1985-11-26 | Teleconferencing Systems International, Inc. | Wireless hands-free conference telephone system |
JPS6039969A (en) * | 1983-08-12 | 1985-03-02 | Tatsuta Electric Wire & Cable Co Ltd | Conference telephone set |
EP0187696A2 (en) * | 1985-01-03 | 1986-07-16 | Controlonics Corporation | Full duplex conferencing system |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 165 (E-327)[1888], 10 juillet 1985; & JP-A-60 39 969 (TATSUTA DENSEN K.K.) 02-03-1985 * |
Also Published As
Publication number | Publication date |
---|---|
WO1988001821A1 (en) | 1988-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |