CH541269A - Stereophonischer Tonabnehmer - Google Patents
Stereophonischer TonabnehmerInfo
- Publication number
- CH541269A CH541269A CH936471A CH936471A CH541269A CH 541269 A CH541269 A CH 541269A CH 936471 A CH936471 A CH 936471A CH 936471 A CH936471 A CH 936471A CH 541269 A CH541269 A CH 541269A
- Authority
- CH
- Switzerland
- Prior art keywords
- stereophonic pickup
- stereophonic
- pickup
- Prior art date
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnets (AREA)
- Moving Of Heads (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5062470A | 1970-06-29 | 1970-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH541269A true CH541269A (de) | 1973-08-31 |
Family
ID=21966368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH936471A CH541269A (de) | 1970-06-29 | 1971-06-25 | Stereophonischer Tonabnehmer |
Country Status (9)
Country | Link |
---|---|
US (1) | US3683128A (de) |
JP (1) | JPS5021241B1 (de) |
CA (1) | CA930674A (de) |
CH (1) | CH541269A (de) |
DE (1) | DE2132127C3 (de) |
ES (1) | ES392652A1 (de) |
FR (1) | FR2096572B1 (de) |
GB (1) | GB1318665A (de) |
NL (1) | NL161647C (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174111A (en) * | 1973-11-12 | 1979-11-13 | Grado Joseph F | Compressive pivot suspension system for an electromagnetic cartridge |
US3881073A (en) * | 1973-11-12 | 1975-04-29 | Joseph F Grado | Replaceable stylus-lever generator module for an electromagnetic cartridge |
US4031336A (en) * | 1975-02-10 | 1977-06-21 | Grado Joseph F | Electromagnetic pickup with magnetic gap displacement generator |
AT341240B (de) * | 1975-07-29 | 1978-01-25 | Akg Akustische Kino Geraete | Tonabnehmer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2114471A (en) * | 1936-06-20 | 1938-04-19 | Bell Telephone Labor Inc | Sound recording and reproducing system |
US2456338A (en) * | 1945-03-26 | 1948-12-14 | Pure Oil Co | Catalytic polymerization of olefinic hydrocarbons |
US2444336A (en) * | 1946-01-30 | 1948-06-29 | Lionel B Cornwell | Electrical sound translating device |
US3469040A (en) * | 1965-04-15 | 1969-09-23 | Empire Scient Corp | Variable reluctance phonograph cartridge |
FR1541427A (fr) * | 1966-10-20 | 1968-10-04 | Matsushita Electric Ind Co Ltd | Pick-up magnétique de phonographe stéréophonique |
DK124049B (da) * | 1969-03-25 | 1972-09-04 | Fonofilm Ind As | Magnetisk pick-up. |
US3694586A (en) * | 1969-11-03 | 1972-09-26 | Joseph F Grado | Toroidal armature stereophonic pickup |
-
1970
- 1970-06-29 US US50624A patent/US3683128A/en not_active Expired - Lifetime
-
1971
- 1971-06-16 GB GB2816071A patent/GB1318665A/en not_active Expired
- 1971-06-23 CA CA116435A patent/CA930674A/en not_active Expired
- 1971-06-25 CH CH936471A patent/CH541269A/de not_active IP Right Cessation
- 1971-06-25 NL NL7108816.A patent/NL161647C/xx not_active IP Right Cessation
- 1971-06-26 ES ES392652A patent/ES392652A1/es not_active Expired
- 1971-06-28 DE DE2132127A patent/DE2132127C3/de not_active Expired
- 1971-06-29 JP JP46046872A patent/JPS5021241B1/ja active Pending
- 1971-06-29 FR FR7123749A patent/FR2096572B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3683128A (en) | 1972-08-08 |
NL161647B (nl) | 1979-09-17 |
GB1318665A (en) | 1973-05-31 |
CA930674A (en) | 1973-07-24 |
DE2132127B2 (de) | 1974-05-16 |
ES392652A1 (es) | 1973-08-01 |
DE2132127A1 (de) | 1972-01-05 |
NL161647C (nl) | 1980-02-15 |
DE2132127C3 (de) | 1974-12-12 |
FR2096572A1 (de) | 1972-02-18 |
NL7108816A (de) | 1971-12-31 |
FR2096572B1 (de) | 1977-01-21 |
JPS5021241B1 (de) | 1975-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |