JPS5536881A - Sound overlap device for sound cine camera - Google Patents
Sound overlap device for sound cine cameraInfo
- Publication number
- JPS5536881A JPS5536881A JP11106578A JP11106578A JPS5536881A JP S5536881 A JPS5536881 A JP S5536881A JP 11106578 A JP11106578 A JP 11106578A JP 11106578 A JP11106578 A JP 11106578A JP S5536881 A JPS5536881 A JP S5536881A
- Authority
- JP
- Japan
- Prior art keywords
- sound
- fade
- overlap
- counted
- transistor
- 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.)
- Pending
Links
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
PURPOSE: To prevent interruption of overlap sound, by deviating the start of sound fade-out with respect to the starting point of overlap by means of a timer circuit.
CONSTITUTION: Upon start of overlap shooting, a switch 419 is closed, and FF 420 is set. As a result, a gate circuit 421 is opened, and frame feeding pulses are counted by a counter 422 which forms a timer circuit. When the specified number is counted, FF 423 is set. Due to this set output, a transistor 427 becomes OFF, and a capacitor 434 is rapidly charged. This potential is applied to the base of transistor 410, of which impedance then drops, and the sound signal level to be applied to a head 415 is reduced, and the sound fades out upon lapse of specified time after start of overlap. Therefore, erasure of recorded fade-out sound due to high frequency bias in the vicinity of fade-in starting point is decreased, so that the fade-in sound and fade-out sound are sufficiently overlapped with each other. Thus, occurrence of interruption of sound may be prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11106578A JPS5536881A (en) | 1978-09-08 | 1978-09-08 | Sound overlap device for sound cine camera |
US06/071,587 US4311369A (en) | 1978-09-08 | 1979-08-31 | Sound motion picture camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11106578A JPS5536881A (en) | 1978-09-08 | 1978-09-08 | Sound overlap device for sound cine camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5536881A true JPS5536881A (en) | 1980-03-14 |
Family
ID=14551499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11106578A Pending JPS5536881A (en) | 1978-09-08 | 1978-09-08 | Sound overlap device for sound cine camera |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5536881A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57178901U (en) * | 1981-05-11 | 1982-11-12 | ||
JPS5942402U (en) * | 1982-09-13 | 1984-03-19 | 三井造船株式会社 | exhaust gas economizer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5360227A (en) * | 1976-11-11 | 1978-05-30 | Chinon Ind Inc | Overlap recorder for sound cine camera |
-
1978
- 1978-09-08 JP JP11106578A patent/JPS5536881A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5360227A (en) * | 1976-11-11 | 1978-05-30 | Chinon Ind Inc | Overlap recorder for sound cine camera |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57178901U (en) * | 1981-05-11 | 1982-11-12 | ||
JPH025203Y2 (en) * | 1981-05-11 | 1990-02-08 | ||
JPS5942402U (en) * | 1982-09-13 | 1984-03-19 | 三井造船株式会社 | exhaust gas economizer |
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