公开(公告)号：US3621487A

公开(公告)日：1971-11-16

申请号：US3621487D

申请日：1969-06-30

Applicant: RCA CORP

Inventor： CHRISTENSEN DON EDWARD

IPC: H03J5/02 ,  H03J3/04 ,  H03J3/06

CPC classification number: H03J5/0227

Abstract: A counter, such as a decade counter, coupled to a plurality, such as two, decoders. In the case of a decade counter, each decoder is responsive to not more than ten counts. In response to the last count decoded by one decoder, it is operatively decoupled from the decoder and the next decoder is operatively coupled to the counter. This may be accomplished, for example, by removing power from one decoder and applying it to the other. In addition, in response to this same stimulus, the counter may be reset to its initial counting state.

公开(公告)号：US3886307A

公开(公告)日：1975-05-27

申请号：US44148774

申请日：1974-02-11

Applicant: RCA CORP

Inventor： EVANS WAYNE WHEELER ,  CHRISTENSEN DON EDWARD

IPC: H03J7/18 ,  H03J5/00 ,  H03J5/02 ,  H04B1/16 ,  H04N5/00 ,  H04N5/63 ,  H04N5/44

CPC classification number: H03J5/0254 ,  H02M2001/0032 ,  H04N5/63 ,  Y02B70/16

Abstract: A television receiver having push buttons numerically labelled 0 through 9 for operatively selecting a television channel is switched on or off without the aid of a particularized manual onoff switch. Depression of channel selection push buttons activates the power to the main portion of the television receiver concurrently setting it to a desired television channel. Further depression of the push buttons selecting a particular number which does not correspond to any existent channel operatively switches the main portion of the television receiver off.

Abstract translation: 具有数字标记为0至9的用于可操作地选择电视频道的按钮的电视接收机被开启或关闭，而无需特定的手动开 - 关切换。 频道选择按钮的抑制激活电视接收机主要部分的电源，同时将其设置为所需的电视频道。 选择与任何现有通道不对应的特定号码的按钮的进一步按压可操作地切换电视接收机的主要部分。