GB1304492A - - Google Patents
Info
- Publication number
- GB1304492A GB1304492A GB4339871A GB4339871A GB1304492A GB 1304492 A GB1304492 A GB 1304492A GB 4339871 A GB4339871 A GB 4339871A GB 4339871 A GB4339871 A GB 4339871A GB 1304492 A GB1304492 A GB 1304492A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- divider
- gate
- dividers
- sept
- 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.)
- Expired
Links
Classifications
-
- 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
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
- G10H1/043—Continuous modulation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
1304492 Electronic musical instruments PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 17 Sept 1971 [22 Sept 1970] 43398/71 Heading G5J A vibrato signal which varies in frequency in an aperiodic manner is produced by connecting inputs of different frequencies to an AND-gate the output thereof being connected through a frequency divider to vary the frequency of a tone generator. The instrument has 12 tone generators G 1 -G 12 , Fig. 1, feeding divider chains D 1 -D 12 to produce successive octaves. Zone signals of 1000-2000 Hz taken from dividers D 1 -D 2 are shaped at I 1 -I 12 and fed to the inputs of AND-gates P 1 -P 4 . The gate outputs, which consist of pulses of continuously varying width spaced by continuously varying intervals, are frequency divided at B 1 -B 4 , smoothed by low-pass filters F 1 -F 4 and fedback to vary the pitch of the tone generators. Gates P 1 -P 4 , dividers B 1 -B 4 and filters F 1 -F 4 may be replaced by a single gate, divider and filter, Fig. 2 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7013955.A NL157728B (en) | 1970-09-22 | 1970-09-22 | DEVICE FOR GENERATING AN APERIODIC VIBRATOS SIGNAL, AND EQUIPPED WITH AN ELECTRONIC MUSICAL INSTRUMENT. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1304492A true GB1304492A (en) | 1973-01-24 |
Family
ID=19811119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4339871A Expired GB1304492A (en) | 1970-09-22 | 1971-09-17 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3735013A (en) |
| JP (1) | JPS527931B1 (en) |
| AU (1) | AU468074B2 (en) |
| BE (1) | BE772833A (en) |
| CA (1) | CA953136A (en) |
| DE (1) | DE2148074C3 (en) |
| ES (1) | ES395238A1 (en) |
| FR (1) | FR2108398A5 (en) |
| GB (1) | GB1304492A (en) |
| IT (1) | IT939825B (en) |
| NL (1) | NL157728B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2435346B2 (en) * | 1974-07-23 | 1980-08-14 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Circuit for an electronic keyboard musical instrument |
| FR2292457A1 (en) * | 1974-11-28 | 1976-06-25 | Guiset Jacques | Supersonic surgical instrument - mounted with detector on frame with controls for hand adjustment of both |
| JPS54119236U (en) * | 1978-02-10 | 1979-08-21 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2322884A (en) * | 1941-04-26 | 1943-06-29 | Bell Telephone Labor Inc | Amplifying system |
| US2697959A (en) * | 1951-11-23 | 1954-12-28 | Conn Ltd C G | Apparatus for producing complex waves at a desired frequency |
| US3157725A (en) * | 1961-06-01 | 1964-11-17 | Baldwin Co D H | System for processing musical spectra |
| US3440325A (en) * | 1964-01-27 | 1969-04-22 | Wurlitzer Co | Transistorized hartley oscillator tone generator circuit producing glissando and vibrato effects by voltage detuning |
| US3267199A (en) * | 1964-03-04 | 1966-08-16 | Hurvitz Hyman | Systems for introducing vibrato |
| US3479440A (en) * | 1966-08-15 | 1969-11-18 | Baldwin Co D H | Randomly-perturbed,locked-wave generator |
| US3701040A (en) * | 1971-01-11 | 1972-10-24 | Hammond Corp | Electronic musical instrument master oscillator with provision for frequency control |
-
1970
- 1970-09-22 NL NL7013955.A patent/NL157728B/en not_active IP Right Cessation
-
1971
- 1971-09-17 GB GB4339871A patent/GB1304492A/en not_active Expired
- 1971-09-18 JP JP46072194A patent/JPS527931B1/ja active Pending
- 1971-09-18 IT IT70080/71A patent/IT939825B/en active
- 1971-09-20 AU AU33675/71A patent/AU468074B2/en not_active Expired
- 1971-09-20 US US00182068A patent/US3735013A/en not_active Expired - Lifetime
- 1971-09-20 ES ES395238A patent/ES395238A1/en not_active Expired
- 1971-09-20 BE BE772833A patent/BE772833A/en unknown
- 1971-09-21 CA CA123,327A patent/CA953136A/en not_active Expired
- 1971-09-22 DE DE2148074A patent/DE2148074C3/en not_active Expired
- 1971-09-22 FR FR7134089A patent/FR2108398A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7013955A (en) | 1972-03-24 |
| CA953136A (en) | 1974-08-20 |
| AU468074B2 (en) | 1975-12-18 |
| DE2148074A1 (en) | 1972-03-30 |
| IT939825B (en) | 1973-02-10 |
| US3735013A (en) | 1973-05-22 |
| ES395238A1 (en) | 1974-11-01 |
| FR2108398A5 (en) | 1972-05-19 |
| JPS527931B1 (en) | 1977-03-05 |
| BE772833A (en) | 1972-03-20 |
| AU3367571A (en) | 1973-03-29 |
| DE2148074C3 (en) | 1980-09-25 |
| NL157728B (en) | 1978-08-15 |
| DE2148074B2 (en) | 1980-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |