JPS647475U

JPS647475U -

Info

Publication number: JPS647475U
Application number: JP10245487U
Authority: JP
Priority date: 1987-07-03
Filing date: 1987-07-03
Publication date: 1989-01-17

Description

[Brief explanation of drawings]

第１図本考案の一実施例を示すものであつて、
全体の構成を示すブロツク図である。第２図およ
び第３図はそれぞれ従来例を示す説明図、第４図
は本考案に至る過程で案出された装置の説明図で
ある。１６は基準信号発振回路、１７は同期信号発生
回路、２３は撮像素子、２４は磁気テープ、２５
は映像信号処理回路、３１は磁気ヘツドドラム、
３２は磁気ヘツド、３３は磁気ヘツドドラム駆動
手段、３４は磁気テープ走行手段、３７は磁気テ
ープ走行駆動手段、３８は録画速度制御手段であ
る。 Figure 1 shows an embodiment of the present invention,
FIG. 2 is a block diagram showing the overall configuration. FIGS. 2 and 3 are explanatory diagrams showing conventional examples, respectively, and FIG. 4 is an explanatory diagram of a device devised in the process leading to the present invention. 16 is a reference signal oscillation circuit, 17 is a synchronization signal generation circuit, 23 is an image sensor, 24 is a magnetic tape, 25
31 is a video signal processing circuit; 31 is a magnetic head drum;
32 is a magnetic head, 33 is a magnetic head drum driving means, 34 is a magnetic tape running means, 37 is a magnetic tape running driving means, and 38 is a recording speed control means.

Claims

[Scope of utility model registration request]

A reference signal oscillation circuit with a variable oscillation frequency, a synchronization signal generation circuit that emits a synchronization signal based on the frequency of this reference signal, and a synchronization signal generation circuit that converts captured video information into an electrical video signal and synchronizes it with the synchronization signal. an image sensor that outputs the image signal, a video signal processing circuit that processes the image signal from the image sensor into a video signal that can be recorded on a magnetic tape, and a magnetic head drum equipped with a magnetic head that records the image signal on the magnetic tape. , a magnetic head drum driving means for rotating the magnetic head drum, a magnetic tape running means for running the magnetic tape, a magnetic tape running drive means for driving the magnetic tape running means, and a magnetic head drum driving means for rotating the magnetic head drum; a magnetic tape running means for driving the magnetic tape running means; 1. A video camera device comprising recording speed control means for changing the frequency characteristics of a video signal processing circuit, the rotational speed of a magnetic head drum, and the running speed of a magnetic tape in proportion to the frequency.