NL7502647A - Elektronische tjilpinrichting. - Google Patents
Elektronische tjilpinrichting.Info
- Publication number
- NL7502647A NL7502647A NL7502647A NL7502647A NL7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A NL 7502647 A NL7502647 A NL 7502647A
- Authority
- NL
- Netherlands
- Prior art keywords
- electronic
- chirping device
- chirping
- electronic chirping
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H5/00—Instruments in which the tones are generated by means of electronic generators
- G10H5/02—Instruments in which the tones are generated by means of electronic generators using generation of basic tones
- G10H5/04—Instruments in which the tones are generated by means of electronic generators using generation of basic tones with semiconductor devices as active elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1759774A GB1473151A (nl) | 1974-04-22 | 1974-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7502647A true NL7502647A (nl) | 1975-10-24 |
Family
ID=10097952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7502647A NL7502647A (nl) | 1974-04-22 | 1975-03-06 | Elektronische tjilpinrichting. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3971016A (nl) |
AU (1) | AU7875875A (nl) |
DE (1) | DE2518237A1 (nl) |
GB (1) | GB1473151A (nl) |
HK (2) | HK33178A (nl) |
NL (1) | NL7502647A (nl) |
NO (1) | NO750658L (nl) |
SE (1) | SE401283B (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4337460A (en) * | 1980-01-25 | 1982-06-29 | Smith Engineering | Hand-held sound effects device |
US4294035A (en) * | 1980-03-21 | 1981-10-13 | George Eng | Device with visual and audio output |
AU718281B2 (en) * | 1998-03-25 | 2000-04-13 | Robert Bosch Gmbh | A drive circuit for a sounder |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707716A (en) * | 1970-09-23 | 1972-12-26 | Norman S Goralnick | Multi-tone push button controlled electronic horn |
-
1974
- 1974-04-22 GB GB1759774A patent/GB1473151A/en not_active Expired
-
1975
- 1975-02-26 NO NO750658A patent/NO750658L/no unknown
- 1975-03-03 AU AU78758/75A patent/AU7875875A/en not_active Expired
- 1975-03-03 US US05/554,766 patent/US3971016A/en not_active Expired - Lifetime
- 1975-03-04 SE SE7502378A patent/SE401283B/xx unknown
- 1975-03-06 NL NL7502647A patent/NL7502647A/nl not_active Application Discontinuation
- 1975-04-22 DE DE19752518237 patent/DE2518237A1/de active Pending
-
1978
- 1978-06-29 HK HK331/78A patent/HK33178A/xx unknown
- 1978-06-29 HK HK330/78A patent/HK33078A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3971016A (en) | 1976-07-20 |
AU7875875A (en) | 1976-09-09 |
DE2518237A1 (de) | 1975-11-06 |
SE401283B (sv) | 1978-04-24 |
NO750658L (nl) | 1975-10-23 |
SE7502378L (sv) | 1975-10-23 |
HK33078A (en) | 1978-07-07 |
GB1473151A (nl) | 1977-05-11 |
HK33178A (en) | 1978-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |