CH622395A5 - Directional receiving system - Google Patents
Directional receiving system Download PDFInfo
- Publication number
- CH622395A5 CH622395A5 CH1315777A CH1315777A CH622395A5 CH 622395 A5 CH622395 A5 CH 622395A5 CH 1315777 A CH1315777 A CH 1315777A CH 1315777 A CH1315777 A CH 1315777A CH 622395 A5 CH622395 A5 CH 622395A5
- Authority
- CH
- Switzerland
- Prior art keywords
- camera
- signal
- microphone
- sound
- elements
- Prior art date
Links
- 238000010586 diagram Methods 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000014509 gene expression Effects 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000013459 approach Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73734776A | 1976-11-01 | 1976-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH622395A5 true CH622395A5 (en) | 1981-03-31 |
Family
ID=24963548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1315777A CH622395A5 (en) | 1976-11-01 | 1977-10-28 | Directional receiving system |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5357020A (enrdf_load_stackoverflow) |
| AT (1) | AT358927B (enrdf_load_stackoverflow) |
| CA (1) | CA1091588A (enrdf_load_stackoverflow) |
| CH (1) | CH622395A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2748288A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2369766A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1589691A (enrdf_load_stackoverflow) |
| IT (1) | IT1088164B (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4334740A (en) * | 1978-09-12 | 1982-06-15 | Polaroid Corporation | Receiving system having pre-selected directional response |
| JPS5910119B2 (ja) * | 1979-04-26 | 1984-03-07 | 日本ビクター株式会社 | 可変指向性マイクロホン |
| DE3020247C2 (de) * | 1980-05-28 | 1982-09-02 | Franz Vertriebsgesellschaft mbH, 7634 Kippenheim | Verfahren und Anordnung zur Umwandlung von Schallwellen in digitale elektrische Signale mit Hilfe von elektroakustischen Wandlern |
| JPS5954039U (ja) * | 1982-09-30 | 1984-04-09 | 株式会社ノーリツ | 循環給湯風呂釜 |
| FR2559325B1 (fr) * | 1984-02-06 | 1986-08-22 | Renault | Appareillage permettant de capter et de transmettre au loin la parole d'une personne placee dans un milieu perturbe afin d'effectuer un traitement de cette parole |
| JPS63132241U (enrdf_load_stackoverflow) * | 1987-02-20 | 1988-08-30 | ||
| US5463694A (en) * | 1993-11-01 | 1995-10-31 | Motorola | Gradient directional microphone system and method therefor |
| US5515445A (en) * | 1994-06-30 | 1996-05-07 | At&T Corp. | Long-time balancing of omni microphones |
| JP7621970B2 (ja) * | 2019-12-10 | 2025-01-27 | テルモ株式会社 | 包装箱および包装箱にて包装された医療用器材 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3502811A (en) * | 1967-12-11 | 1970-03-24 | Bell Telephone Labor Inc | Directional microphone with frequency independent beamwidth |
| JPS5132445Y2 (enrdf_load_stackoverflow) * | 1971-04-09 | 1976-08-13 | ||
| JPS4990103A (enrdf_load_stackoverflow) * | 1972-12-26 | 1974-08-28 | ||
| GB1512514A (en) * | 1974-07-12 | 1978-06-01 | Nat Res Dev | Microphone assemblies |
| DE2439634B1 (de) * | 1974-08-19 | 1976-03-18 | Schoeps, Karl, Dr.-Ing., 7500 Karlsruhe | Anordnung zu gerichtetem schallempfang |
-
1977
- 1977-07-06 CA CA282,195A patent/CA1091588A/en not_active Expired
- 1977-09-30 JP JP11698077A patent/JPS5357020A/ja active Granted
- 1977-10-06 FR FR7730089A patent/FR2369766A1/fr active Granted
- 1977-10-12 GB GB42513/77A patent/GB1589691A/en not_active Expired
- 1977-10-25 AT AT763477A patent/AT358927B/de not_active IP Right Cessation
- 1977-10-27 DE DE19772748288 patent/DE2748288A1/de active Granted
- 1977-10-28 CH CH1315777A patent/CH622395A5/de not_active IP Right Cessation
- 1977-10-31 IT IT29172/77A patent/IT1088164B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1088164B (it) | 1985-06-10 |
| ATA763477A (de) | 1980-02-15 |
| GB1589691A (en) | 1981-05-20 |
| JPS5623360B2 (enrdf_load_stackoverflow) | 1981-05-30 |
| FR2369766B1 (enrdf_load_stackoverflow) | 1984-03-23 |
| FR2369766A1 (fr) | 1978-05-26 |
| DE2748288A1 (de) | 1978-05-03 |
| DE2748288C2 (enrdf_load_stackoverflow) | 1989-11-02 |
| CA1091588A (en) | 1980-12-16 |
| AT358927B (de) | 1980-10-10 |
| JPS5357020A (en) | 1978-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |