FR747504A - - Google Patents
Info
- Publication number
- FR747504A FR747504A FR747504DA FR747504A FR 747504 A FR747504 A FR 747504A FR 747504D A FR747504D A FR 747504DA FR 747504 A FR747504 A FR 747504A
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R9/16—Gramophone pick-ups using a stylus; Recorders using a stylus signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3465731A GB394325A (en) | 1931-12-14 | 1931-12-14 | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
GB450134A GB429054A (en) | 1934-02-10 | 1934-02-10 | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR747504A true FR747504A (hu) | 1933-06-16 |
Family
ID=31995661
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR747504D Expired FR747504A (hu) | 1931-12-14 | ||
FR45547D Expired FR45547E (fr) | 1931-12-14 | 1934-10-23 | Perfectionnements aux appareils de transmission, d'enregistrement, et de reproduction des sons |
FR45642D Expired FR45642E (fr) | 1931-12-14 | 1934-11-06 | Perfectionnements aux appareils de transmission, d'enregistrement et de reproductiondes sons |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR45547D Expired FR45547E (fr) | 1931-12-14 | 1934-10-23 | Perfectionnements aux appareils de transmission, d'enregistrement, et de reproduction des sons |
FR45642D Expired FR45642E (fr) | 1931-12-14 | 1934-11-06 | Perfectionnements aux appareils de transmission, d'enregistrement et de reproductiondes sons |
Country Status (2)
Country | Link |
---|---|
US (2) | US2093540A (hu) |
FR (3) | FR45547E (hu) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE744615C (de) * | 1941-03-07 | 1944-01-21 | Philips Nv | Mikrophon fuer geraeuschvolle Umgebung |
US2498772A (en) * | 1941-05-15 | 1950-02-28 | Bendix Aviat Corp | Aerial torpedo |
US2481911A (en) * | 1942-05-20 | 1949-09-13 | Hartford Nat Bank & Trust Co | Device for adjusting the stereophonic effect in devices for stereophonic transmission |
US2505585A (en) * | 1944-12-23 | 1950-04-25 | Us Sec War | Electroacoustic binaural listening system |
US2616970A (en) * | 1948-02-11 | 1952-11-04 | Hartford Nat Bank & Trust Co | Device for the transmission by electrical means of oscillations of acoustic frequency |
US2710662A (en) * | 1948-12-23 | 1955-06-14 | Armour Res Found | Sound projection system |
US2836662A (en) * | 1954-08-18 | 1958-05-27 | Emi Ltd | Electrical sound transmission systems |
NL106407C (hu) * | 1956-08-31 | 1963-10-02 | ||
US3053943A (en) * | 1957-07-12 | 1962-09-11 | Columbia Broadcasting Syst Inc | Phonograph record cutter |
US3055989A (en) * | 1957-08-12 | 1962-09-25 | Columbia Broadcasting Syst Inc | Ceramic reproducer |
BE565959A (hu) * | 1957-10-29 | |||
NL232569A (hu) * | 1957-10-30 | |||
US2958738A (en) * | 1958-01-06 | 1960-11-01 | Erie Resistor Corp | Compensating network for binaural pickup |
US3067292A (en) * | 1958-02-03 | 1962-12-04 | Jerry B Minter | Stereophonic sound transmission and reproduction |
US3309469A (en) * | 1958-02-27 | 1967-03-14 | Rca Corp | Phonograph pickup |
US3118978A (en) * | 1958-02-27 | 1964-01-21 | Gen Electric | Magnetic stereophonic phonograph cartridge |
NL236717A (hu) * | 1958-03-03 | |||
DE1138560B (de) * | 1958-03-05 | 1962-10-25 | Fonofilm Ind As | Schneiddose zum Aufzeichnen von zwei Signalen in einer Rille eines Schalltraegers |
US3225146A (en) * | 1958-03-14 | 1965-12-21 | Rca Corp | Stereophonic phonograph system |
US3155779A (en) * | 1958-03-31 | 1964-11-03 | Rca Corp | Stereophonic phonograph system |
US3026378A (en) * | 1958-04-30 | 1962-03-20 | Rca Corp | Stereophonic audio-frequency signal amplifier systems |
US3013125A (en) * | 1958-05-16 | 1961-12-12 | Columbia Broadcasting Syst Inc | Stereophonic recording |
NL112985C (hu) * | 1958-06-20 | |||
US3067295A (en) * | 1958-08-04 | 1962-12-04 | Pickering & Co Inc | Stereophonic phonograph pick-up device |
US3047666A (en) * | 1958-10-27 | 1962-07-31 | Murray G Crosby | Compatible stereophonic system |
US3215785A (en) * | 1958-12-23 | 1965-11-02 | Astatic Corp | Stereophonic piezoelectric pickup cartridge |
DE1173684B (de) * | 1959-01-02 | 1964-07-09 | Philips Nv | Wandler zum Aufzeichnen oder Abtasten einer rillenfoermigen Aufzeichnungsspur |
US3002105A (en) * | 1959-08-20 | 1961-09-26 | Charles A Cady | Emergency power supply |
US3215786A (en) * | 1959-08-21 | 1965-11-02 | Astatic Corp | Universal monaural-binaural phonograph pickup cartridge |
US3083264A (en) * | 1959-12-10 | 1963-03-26 | Bell Telephone Labor Inc | Sum and difference stereophonic transmission with negative feedback |
DE1121826B (de) * | 1960-02-02 | 1962-01-11 | Telefunken Gmbh | Mechanisch-elektrischer Wandler fuer die Erzeugung oder Abtastung einer rillenfoermigen Tonspur |
US3117186A (en) * | 1960-02-17 | 1964-01-07 | Richard W Burden | Compatible stereophonic broadcast system |
US3086780A (en) * | 1960-07-26 | 1963-04-23 | Foster Mallard Ltd | Sound reproducing machines |
US3261925A (en) * | 1960-10-06 | 1966-07-19 | Bernard Smith Lab Inc A | Stereophonic photoelectric transducer |
NL284585A (hu) * | 1961-10-23 | |||
NL295560A (hu) * | 1962-08-02 | |||
US3297831A (en) * | 1964-02-06 | 1967-01-10 | Walter O Stanton | Magnetic stereophonic phonograph pickup |
US3489864A (en) * | 1965-03-08 | 1970-01-13 | Electro Voice | Stereo phonograph pickup and turnover mechanism |
US3627931A (en) * | 1968-01-23 | 1971-12-14 | Nippon Columbia | Moving magnet type stereo pickup |
GB1445420A (en) * | 1973-10-09 | 1976-08-11 | Hungarofilm Vallalat | Light exposure valve for recording sterophonic sound track on film |
JPS51132803A (en) * | 1975-04-17 | 1976-11-18 | Nippon Hoso Kyokai <Nhk> | Sound field expander |
US4356349A (en) * | 1980-03-12 | 1982-10-26 | Trod Nossel Recording Studios, Inc. | Acoustic image enhancing method and apparatus |
US5850453A (en) * | 1995-07-28 | 1998-12-15 | Srs Labs, Inc. | Acoustic correction apparatus |
WO2001039547A1 (en) | 1999-11-25 | 2001-05-31 | Embracing Sound Experience Ab | A method of processing and reproducing an audio stereo signal, and an audio stereo signal reproduction system |
SE527062C2 (sv) * | 2003-07-21 | 2005-12-13 | Embracing Sound Experience Ab | Stereoljudbehandlingsmetod, -anordning och -system |
US20070237340A1 (en) * | 2006-04-10 | 2007-10-11 | Edwin Pfanzagl-Cardone | Microphone for Surround-Recording |
SE530180C2 (sv) * | 2006-04-19 | 2008-03-18 | Embracing Sound Experience Ab | Högtalaranordning |
US8050434B1 (en) | 2006-12-21 | 2011-11-01 | Srs Labs, Inc. | Multi-channel audio enhancement system |
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0
- FR FR747504D patent/FR747504A/fr not_active Expired
-
1932
- 1932-12-13 US US647057A patent/US2093540A/en not_active Expired - Lifetime
-
1934
- 1934-10-23 FR FR45547D patent/FR45547E/fr not_active Expired
- 1934-11-06 FR FR45642D patent/FR45642E/fr not_active Expired
- 1934-11-08 US US752147A patent/US2062275A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2093540A (en) | 1937-09-21 |
FR45547E (fr) | 1935-09-12 |
US2062275A (en) | 1936-11-24 |
FR45642E (fr) | 1935-11-02 |