JPS5650697A - Variable directivity microphone - Google Patents
Variable directivity microphoneInfo
- Publication number
- JPS5650697A JPS5650697A JP11566479A JP11566479A JPS5650697A JP S5650697 A JPS5650697 A JP S5650697A JP 11566479 A JP11566479 A JP 11566479A JP 11566479 A JP11566479 A JP 11566479A JP S5650697 A JPS5650697 A JP S5650697A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- output
- microphone
- frequency
- omegaa
- 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.)
- Granted
Links
Classifications
-
- 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)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11566479A JPS601994B2 (ja) | 1979-09-11 | 1979-09-11 | 可変指向性マイクロホン |
US06/185,516 US4354059A (en) | 1979-09-11 | 1980-09-09 | Variable-directivity microphone device |
DE3033985A DE3033985C2 (de) | 1979-09-11 | 1980-09-10 | Mikrofoneinrichtung mit veränderbarer Richtwirkung |
GB8029371A GB2062406B (en) | 1979-09-11 | 1980-09-11 | Variable-directivity microphone device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11566479A JPS601994B2 (ja) | 1979-09-11 | 1979-09-11 | 可変指向性マイクロホン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5650697A true JPS5650697A (en) | 1981-05-07 |
JPS601994B2 JPS601994B2 (ja) | 1985-01-18 |
Family
ID=14668237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11566479A Expired JPS601994B2 (ja) | 1979-09-11 | 1979-09-11 | 可変指向性マイクロホン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS601994B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5911096A (ja) * | 1982-03-15 | 1984-01-20 | Matsushita Electric Ind Co Ltd | 単一指向性マイクロホン |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61160298U (ja) * | 1985-03-27 | 1986-10-04 |
-
1979
- 1979-09-11 JP JP11566479A patent/JPS601994B2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5911096A (ja) * | 1982-03-15 | 1984-01-20 | Matsushita Electric Ind Co Ltd | 単一指向性マイクロホン |
Also Published As
Publication number | Publication date |
---|---|
JPS601994B2 (ja) | 1985-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS55118247A (en) | Adaptive type signal | |
JPS5583913A (en) | Control system for clock signal distribution circuit | |
JPS5650697A (en) | Variable directivity microphone | |
JPS55115736A (en) | Automatic frequency control unit | |
JPS561634A (en) | Equalizer | |
JPS55151808A (en) | Correcting device for acoustic transmission characteristic | |
JPS5360597A (en) | Microwave apparatus | |
JPS55123215A (en) | Tone controller | |
JPS55132103A (en) | Electromagnetic wave synthesizer | |
JPS5647174A (en) | Picture quality regulator | |
FR2428943A1 (fr) | Circuit de correction pour signaux perturbes | |
JPS6480106A (en) | Frequency conversion circuit | |
SU788392A1 (ru) | Стабилизатор сдвига фазы | |
JPS54143043A (en) | Variable equalizer circuit | |
JPS5327321A (en) | Picture quality adjusting un it in television receivers | |
JPS54102847A (en) | Power divider | |
JPS56118684A (en) | Receiving system of scanning sonar | |
JPS5711506A (en) | Mixing circuit | |
JPS57127302A (en) | Synthesizer of high frequency signal | |
JPS5545231A (en) | Variable gain amplifier circuit | |
JPS57157605A (en) | Calibration method of orthogonal synchronous wave detector | |
JPS553260A (en) | Oscillation system for elastic surface wave | |
JPS55100712A (en) | Power amplifier unit | |
JPS57129501A (en) | Round and curved waveguide device | |
JPS56114443A (en) | High frequency variable phase signal generation equipment |