CN1115469A - 用于录像机的画面搜索转盘 - Google Patents

用于录像机的画面搜索转盘 Download PDF

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Publication number
CN1115469A
CN1115469A CN95101246A CN95101246A CN1115469A CN 1115469 A CN1115469 A CN 1115469A CN 95101246 A CN95101246 A CN 95101246A CN 95101246 A CN95101246 A CN 95101246A CN 1115469 A CN1115469 A CN 1115469A
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China
Prior art keywords
knob
search
video recorder
initial position
picture
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Pending
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CN95101246A
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English (en)
Inventor
金鹤洙
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WiniaDaewoo Co Ltd
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Daewoo Electronics Co Ltd
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Application filed by Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of CN1115469A publication Critical patent/CN1115469A/zh
Pending legal-status Critical Current

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • H01H21/50—Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/126—Rotatable input devices for instruments

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)
  • Mechanical Control Devices (AREA)

Abstract

一种可以多种画面搜索方式工作的录像机，包括一可转动的旋钮和一锁定机构，该旋钮在除去加于其上的操作力时能返回其初始位置，随着旋钮偏离初始位置到达各种不同角位移，可选定各种画面搜索方式。锁定装置包括一锁杆，当录像机工作在画面搜索方式之一下时锁定该旋钮。

Description

用于录像机的画面搜索转盘
本发明涉及录像机，特别涉及录像机中用来选择不同画面搜索方式的改进型转盘。
众所周知，录像机具有多个操作开关，例如倒带开关、放像开关、快进开关、停止开关等等。所有开关钮都用手操作而实现各自的功能。录像机通常通过操作快进开关或倒带开关实现画面搜索方式。在这种特殊情况下，与像带各种输送速度相对应的各种搜索方式需要使用另外的开关，从而使用户感到不方便。
为克服这一问题，已有人提出一种用于录像机的转盘装置。该转盘装置包括一转动开关和一旋钮。该转动开关包括一可转离中心位置一定范围的轴；其结构使得转离轴的中心位置的角位移被转换成控制画面搜索的速度和方向，即像带输送速度和方向的指令。通常，转离中心位置的角位移越大，画面搜索速度就起高。该转动开关可装有自复位机构。在放像时转动连接到该轴上的旋钮，就可按照该旋钮的角位移实现搜索方式之一。操作力一旦除去，旋钮就会由于自复位机构的作用而自动返回中心位置。
但是，由于除去加于旋钮上的力会使旋钮返回中心位置，即放像方式，因此用户在画面搜索过程中须紧握住旋钮。
因此，本发明的主要目的是提供一种在画面搜索过程中能固定旋钮或防止旋钮返回初始位置的改进型转盘装置。
本发明的上述以及其目的通过提供一种至少可以两种画面搜索方式工作并具有一转动开关装置的录像机予以实现，其中，所述转动开关装置包括：
一可转动的旋钮，该旋钮在除去加于其上的操作力时能自动返回其初始位置；并且随着该旋钮转离该初始位置一角位移，即可选定图像搜索方式之一；以及
当该录像机以选定的画面搜索方式工作时锁定该旋钮的装置。
从下述结合附图对优选实施例的说明中，本发明的上述和其它目的、优点和特点就会更明显。附图中：
图1为录像机的正视图，表示出使用本发明转盘装置的录像机的一部分前机壳；
图2为沿图1所示线II-II剖取的剖面图，其中转盘装置设定在锁定状态；
图3和图4为转盘装置的纵向剖面图，表示出图2所示旋钮和锁杆的工作情况。
参见图1和图2，录像机包括前面板10、转盘装置和锁定机构。该转盘装置包括装在前面板10上的转动开关32和与转动开关32的轴34连接的旋钮40。
如图1所示，前面板10上有若干标记，包括代表放像方式的中心位置或初始位置以及代表比方说各画面搜索方式的其它位置14。放像时，旋钮40上的箭头42对准初始位置12。当箭头42对准画面搜索方式标记14之一时，则实现画面搜索方式之一，比方说，输送速度为正常输送速度两倍的查看方式。关于旋钮40的位置与录像机工作方向的更详细说明可见欧洲专利No.0441556A2，该专利被引用于此作为参考。
下面参看图2，其为本发明转盘装置的剖面图。转动开关32的轴34能够以一定范围转离初始位置。轴34与装在转动开关32中的自复位机构连接，因此当除去加于其上的操作力时其可自动返回初始位置。转动开关32还包括传感装置，从而把轴34偏离初始位置的角位移转换成控制画面搜索方式的输出信号。
旋钮40包括截头圆锥体44。圆柱形凸缘46伸出在截头圆锥体44上。旋钮40由凸缘46与轴34之间的紧配合而固定到轴34上。旋钮40上有若干凹座48，它们沿圆周方向设在凸缘46的外周面上(见图3)。
锁定机构包括锁杆52和脱钩钮60，锁杆52利用弹簧53抵靠在旋钮40上。锁杆52上有孔54。围成孔54的各表面中离旋钮40最远一个表面56向前面板10倾斜。锁杆52由前面板10的第一支架16和第二支架18支撑和引导。
脱钩钮60用弹簧62抵靠住前面板10。脱钩钮60由前面板10和前面板10上的第三支架支撑并引导。该脱钩钮60包括支杆件64。该支杆件64的端部包括与锁杆52的斜面56对应的斜面66。
下面参考图2到图4说明转盘装置和锁定机构的工作情况。放像时，如图3所示，旋钮40处在初始位置上。按下脱钩钮60，锁杆52就会由于锁杆52的斜面56与脱钩钮60的斜面66之间的配合而向后移动。在按下钮60后，旋钮40可自由转动。以一定范围或角度转动旋钮40以选定一种画面搜索方式后放开钮60，锁杆52的一端就会插入凹座48之一，如图2和图4所示。
在画面搜索方式下，按下脱钩钮60，旋钮40就会由于装在转动开关32中的自复位机构的作用而自动返回初始位置，即放像方式。
尽管上面用优选实施例示出并说明了本发明，但应指出，只要不背离本发明的精神和范围，可对本发明作出改动、修正或添加。

Claims (3)

1、一种至少可以两种画面搜索方式工作并具有转动开关装置的录像机，其中，所述转动开关装置包括：
一可转动的旋钮，该旋钮在除去加于其上的操作力时能自动返回其初始位置；随着该旋钮偏离该初始位置一角位移，画面搜索方式之一就得以选定；以及
当录像机工作在选定的画面搜索方式下时锁定该旋钮的装置。
2、按权利要求1所述的录像机，其中，所述旋钮包括一圆柱形凸缘部，该凸缘件在其外周面上沿圆周方向设有若干凹座；所述锁定装置还包括抵靠在旋钮的凸缘件之上的锁杆，该锁杆的一端可插入凹座之一。
3、按权利要求2所述的录像机，其中，所述锁定装置包括一按钮，该按钮能使该锁杆松开该旋钮。
CN95101246A 1994-01-19 1995-01-19 用于录像机的画面搜索转盘 Pending CN1115469A (zh)

Applications Claiming Priority (2)

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KR853/94-U 1994-01-19
KR2019940000853U KR0114561Y1 (ko) 1994-01-19 1994-01-19 비디오 카세트 레코더용 회전스위치장치

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JP (1) JPH0831052A (zh)
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CN (1) CN1115469A (zh)

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Also Published As

Publication number Publication date
KR0114561Y1 (ko) 1998-04-17
US5541379A (en) 1996-07-30
JPH0831052A (ja) 1996-02-02
KR950023895U (ko) 1995-08-23

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