IL33639A - An emitter of sound signals - Google Patents
An emitter of sound signalsInfo
- Publication number
- IL33639A IL33639A IL33639A IL3363969A IL33639A IL 33639 A IL33639 A IL 33639A IL 33639 A IL33639 A IL 33639A IL 3363969 A IL3363969 A IL 3363969A IL 33639 A IL33639 A IL 33639A
- Authority
- IL
- Israel
- Prior art keywords
- semi
- conductor
- base
- circuit
- preamplifier
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title claims description 11
- 239000004020 conductor Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 8
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C21/00—Producing acoustic time signals by electrical means
- G04C21/04—Indicating the time of the day
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Electromechanical Clocks (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR183212 | 1968-12-31 | ||
| FR6907946A FR2034350B2 (de) | 1969-03-19 | 1969-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL33639A0 IL33639A0 (en) | 1970-02-19 |
| IL33639A true IL33639A (en) | 1973-10-25 |
Family
ID=26182466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL33639A IL33639A (en) | 1968-12-31 | 1969-12-30 | An emitter of sound signals |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT300673B (de) |
| BE (1) | BE743830A (de) |
| CH (2) | CH1950869A4 (de) |
| DE (1) | DE1965459A1 (de) |
| GB (1) | GB1246030A (de) |
| IL (1) | IL33639A (de) |
| NL (1) | NL6919655A (de) |
-
1969
- 1969-12-29 CH CH1950869D patent/CH1950869A4/xx unknown
- 1969-12-29 BE BE743830D patent/BE743830A/xx unknown
- 1969-12-29 CH CH1950869A patent/CH538145A/fr unknown
- 1969-12-30 AT AT1210869A patent/AT300673B/de active
- 1969-12-30 DE DE19691965459 patent/DE1965459A1/de active Pending
- 1969-12-30 IL IL33639A patent/IL33639A/en unknown
- 1969-12-31 GB GB63423/69A patent/GB1246030A/en not_active Expired
- 1969-12-31 NL NL6919655A patent/NL6919655A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE743830A (de) | 1970-05-28 |
| IL33639A0 (en) | 1970-02-19 |
| CH538145A (fr) | 1973-02-28 |
| DE1965459A1 (de) | 1970-07-16 |
| AT300673B (de) | 1972-08-10 |
| NL6919655A (de) | 1970-07-02 |
| GB1246030A (en) | 1971-09-15 |
| CH1950869A4 (de) | 1973-02-28 |
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