GB1472772A - Electrical musical instruments of the keyboard type - Google Patents
Electrical musical instruments of the keyboard typeInfo
- Publication number
- GB1472772A GB1472772A GB2584274A GB2584274A GB1472772A GB 1472772 A GB1472772 A GB 1472772A GB 2584274 A GB2584274 A GB 2584274A GB 2584274 A GB2584274 A GB 2584274A GB 1472772 A GB1472772 A GB 1472772A
- Authority
- GB
- United Kingdom
- Prior art keywords
- musical instruments
- june
- transistors
- pulse
- key
- 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
- 230000033764 rhythmic process Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
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
- G10H1/36—Accompaniment arrangements
-
- 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
-
- 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
- G10H1/18—Selecting circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S84/00—Music
- Y10S84/08—Keyed oscillators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
1472772 Electronic musical instruments HAMMOND CORP 11 June 1974 [11 June 1973] 25842/74 Heading G5J In an electrical keyboard instrument a monostable multivibrator unit 10 is triggered to give a single output pulse when a keyer is operated by a key 11 independent of how many keys are already activated. The triggering voltage is developed across a sensing element 21 which may be a resistor (as shown), inductor or diode. The pulse duration is limited by the saturation times of the transistors 14, 16 and is characteristically 10 ms., within which period operation of a key produces no further pulse. Transistors may be NPN or, with appropriate polarity reversals, PNP type. The pulses may activate a separate rhythm voice generator (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00368818A US3821457A (en) | 1973-06-11 | 1973-06-11 | Pulse generator for use with an electrical musical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1472772A true GB1472772A (en) | 1977-05-04 |
Family
ID=23452870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2584274A Expired GB1472772A (en) | 1973-06-11 | 1974-06-11 | Electrical musical instruments of the keyboard type |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3821457A (en) |
| JP (1) | JPS5034220A (en) |
| AU (1) | AU6968274A (en) |
| BR (1) | BR7404765D0 (en) |
| CA (1) | CA994578A (en) |
| DE (1) | DE2427846A1 (en) |
| GB (1) | GB1472772A (en) |
| IT (1) | IT1012976B (en) |
| NL (1) | NL7407262A (en) |
| ZA (1) | ZA743374B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5645332B2 (en) * | 1974-11-13 | 1981-10-26 |
-
1973
- 1973-06-11 US US00368818A patent/US3821457A/en not_active Expired - Lifetime
-
1974
- 1974-05-27 ZA ZA00743374A patent/ZA743374B/en unknown
- 1974-05-30 NL NL7407262A patent/NL7407262A/xx not_active Application Discontinuation
- 1974-05-30 IT IT23378/74A patent/IT1012976B/en active
- 1974-06-03 AU AU69682/74A patent/AU6968274A/en not_active Expired
- 1974-06-06 CA CA201,839A patent/CA994578A/en not_active Expired
- 1974-06-07 DE DE19742427846 patent/DE2427846A1/en not_active Withdrawn
- 1974-06-10 JP JP49065870A patent/JPS5034220A/ja active Pending
- 1974-06-10 BR BR4765/74A patent/BR7404765D0/en unknown
- 1974-06-11 GB GB2584274A patent/GB1472772A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5034220A (en) | 1975-04-02 |
| US3821457A (en) | 1974-06-28 |
| BR7404765D0 (en) | 1975-01-21 |
| IT1012976B (en) | 1977-03-10 |
| DE2427846A1 (en) | 1975-01-09 |
| ZA743374B (en) | 1975-05-28 |
| AU6968274A (en) | 1975-12-04 |
| NL7407262A (en) | 1974-12-13 |
| CA994578A (en) | 1976-08-10 |
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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 |