JPS6133314B2 - - Google Patents
Info
- Publication number
- JPS6133314B2 JPS6133314B2 JP53002074A JP207478A JPS6133314B2 JP S6133314 B2 JPS6133314 B2 JP S6133314B2 JP 53002074 A JP53002074 A JP 53002074A JP 207478 A JP207478 A JP 207478A JP S6133314 B2 JPS6133314 B2 JP S6133314B2
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- housing
- speaker
- approximately
- inches
- 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
- 238000002955 isolation Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 210000000887 face Anatomy 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 210000000720 eyelash Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA269,735A CA1050154A (en) | 1977-01-14 | 1977-01-14 | Telephone conferencing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5389606A JPS5389606A (en) | 1978-08-07 |
| JPS6133314B2 true JPS6133314B2 (ko) | 1986-08-01 |
Family
ID=4107730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP207478A Granted JPS5389606A (en) | 1977-01-14 | 1978-01-13 | Conference telephone system |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5389606A (ko) |
| BE (1) | BE862702A (ko) |
| CA (1) | CA1050154A (ko) |
| DE (1) | DE2800882C2 (ko) |
| DK (1) | DK5678A (ko) |
| ES (1) | ES465952A1 (ko) |
| FR (1) | FR2377735A1 (ko) |
| GB (1) | GB1587549A (ko) |
| IT (1) | IT1089288B (ko) |
| NL (1) | NL7714104A (ko) |
| NO (1) | NO780126L (ko) |
| SE (1) | SE416510B (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61242499A (ja) * | 1985-04-19 | 1986-10-28 | シユア・ブラザ−ズ・インコ−ポレイテツド | マイクロホン装置 |
| FR2617660B1 (fr) * | 1987-06-30 | 1990-06-08 | Larvor Rene | Dispositif de prise et de restitution du son, notamment pour audio-conferences |
| DE3734447C1 (de) * | 1987-10-12 | 1989-05-18 | Telefonbau & Normalzeit Gmbh | Konferenz-Freisprecheinrichtung |
| FR2670351B1 (fr) * | 1990-12-05 | 1997-04-30 | France Etat | Appareil de prise et de restitution du son. |
| FR2702918B1 (fr) * | 1993-03-19 | 1995-05-12 | Prescom Sarl | Appareil de prise et de restitution de son, et son application à l'audio-conférence. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH400245A (de) * | 1965-10-02 | 1965-10-15 | Peiker Heinrich | Einrichtung zum Gegensprechen |
-
1977
- 1977-01-14 CA CA269,735A patent/CA1050154A/en not_active Expired
- 1977-12-14 GB GB52043/77A patent/GB1587549A/en not_active Expired
- 1977-12-20 NL NL7714104A patent/NL7714104A/xx not_active Application Discontinuation
- 1977-12-30 IT IT31487/77A patent/IT1089288B/it active
-
1978
- 1978-01-04 FR FR7800105A patent/FR2377735A1/fr active Granted
- 1978-01-05 DK DK5678A patent/DK5678A/da unknown
- 1978-01-06 BE BE184153A patent/BE862702A/xx unknown
- 1978-01-09 SE SE7800213A patent/SE416510B/sv not_active IP Right Cessation
- 1978-01-10 DE DE2800882A patent/DE2800882C2/de not_active Expired
- 1978-01-12 NO NO780126A patent/NO780126L/no unknown
- 1978-01-13 ES ES465952A patent/ES465952A1/es not_active Expired
- 1978-01-13 JP JP207478A patent/JPS5389606A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK5678A (da) | 1978-07-15 |
| SE416510B (sv) | 1981-01-05 |
| FR2377735B3 (ko) | 1980-10-24 |
| CA1050154A (en) | 1979-03-06 |
| FR2377735A1 (fr) | 1978-08-11 |
| BE862702A (fr) | 1978-07-06 |
| JPS5389606A (en) | 1978-08-07 |
| DE2800882C2 (de) | 1985-02-28 |
| NL7714104A (nl) | 1978-07-18 |
| NO780126L (no) | 1978-07-17 |
| ES465952A1 (es) | 1978-09-16 |
| SE7800213L (sv) | 1978-07-15 |
| GB1587549A (en) | 1981-04-08 |
| IT1089288B (it) | 1985-06-18 |
| DE2800882A1 (de) | 1978-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4078155A (en) | Telephone apparatus for use in a conference room | |
| US3371742A (en) | Speaker enclosure | |
| CA2099945C (en) | Telephonic headset structure for reducing ambient noise | |
| US10306349B2 (en) | Earphone | |
| US7302076B2 (en) | Low profile speaker and system | |
| CA1098450A (en) | Small dimension low frequency folded exponential horn loudspeaker with unitary sound path and loudspeaker system including same | |
| US5525767A (en) | High-performance sound imaging system | |
| US4528426A (en) | Directional microphone assembly | |
| US3870834A (en) | Personal stereophonic speaker system | |
| JPH06205490A (ja) | スピーカユニット | |
| US4885773A (en) | Apparatus for mounting a unidirectional microphone in a hands-free telephone subset | |
| MX2009000055A (es) | Conjunto de diafragma de alta frecuencia y bobina de voz. | |
| US7676054B2 (en) | Contoured passive radiator and loudspeaker incorporating same | |
| KR102166407B1 (ko) | 라우드 스피커 | |
| US5115470A (en) | Sound reinforcement system | |
| US7418104B2 (en) | Speaker system | |
| JPS6133314B2 (ko) | ||
| US2890760A (en) | Transducers | |
| US20010031060A1 (en) | Compact speaker system | |
| KR20070119703A (ko) | 다중 라우드스피커 장치, 이를 포함한 하우징 및 오디오및/또는 비디오 장치 | |
| US6721431B1 (en) | Prismatic loudspeaker/microphone array | |
| US4224467A (en) | Corner mounted sound reproduction speaker apparatus | |
| JPS6141356Y2 (ko) | ||
| US10863035B2 (en) | Microphone assembly for echo rejection in audio endpoints | |
| US7856112B2 (en) | Desktop terminal foot and desktop system |