Global Patent Index - EP 1095456 A1

EP 1095456 A1 2001-05-02 - STATIC FREQUENCY DIVIDER WITH MODIFIABLE DIVIDER RATIO

Title (en)

STATIC FREQUENCY DIVIDER WITH MODIFIABLE DIVIDER RATIO

Title (de)

STATISCHER FREQUENZTEILER MIT UMSCHALTBAREM TEILERVERHÄLTNIS

Title (fr)

DIVISEUR DE FREQUENCE STATIQUE AVEC RAPPORT DE DIVISION MODIFIABLE

Publication

EP 1095456 A1 (DE)

Application

EP 99938174 A

Priority

  • DE 9901714 W
  • DE 19828925 A

Abstract (en)

[origin: WO0001071A1] The invention relates to a static frequency divider with a modifiable divider ratio for maximum frequencies and with a minimal overall power consumption. In a first divider stage, a T-flip-flop is provided with modified D-flip-flops which have an additional input transistor pair. If at any chosen time, the operating current of said input transistor pair is switched, exactly one input clock pulse period is suppressed and the divider ratio is modified. Almost any modifiable divider ratios can be produced with other divider flip-flops and a plurality of modifying operations.

IPC 1-7 (main, further and additional classification)

H03K 23/66

IPC 8 full level (invention and additional information)

H03K 23/64 (2006.01); H03K 23/66 (2006.01)

CPC (invention and additional information)

H03K 23/667 (2013.01)

Citation (search report)

See references of WO 0001071A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 0001071 A1 20000106; EP 1095456 A1 20010502; JP 2002519923 A 20020702

INPADOC legal status


2002-04-10 [18W] WITHDRAWN

- Date of withdrawal: 20020114

2002-01-09 [RIN1] INVENTOR (CORRECTION)

- Inventor name: PIERSCHEL, MICHAEL

2001-05-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010126

2001-05-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB