GB2254941B - Power supplies - Google Patents

Power supplies

Info

Publication number
GB2254941B
GB2254941B GB9206259A GB9206259A GB2254941B GB 2254941 B GB2254941 B GB 2254941B GB 9206259 A GB9206259 A GB 9206259A GB 9206259 A GB9206259 A GB 9206259A GB 2254941 B GB2254941 B GB 2254941B
Authority
GB
United Kingdom
Prior art keywords
power supplies
supplies
power
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.)
Expired - Fee Related
Application number
GB9206259A
Other versions
GB9206259D0 (en
GB2254941A (en
Inventor
Brian Williams
David Michael Addison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB919108255A external-priority patent/GB9108255D0/en
Application filed by Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB9206259A priority Critical patent/GB2254941B/en
Publication of GB9206259D0 publication Critical patent/GB9206259D0/en
Publication of GB2254941A publication Critical patent/GB2254941A/en
Application granted granted Critical
Publication of GB2254941B publication Critical patent/GB2254941B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/06—Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB9206259A 1991-04-17 1992-03-23 Power supplies Expired - Fee Related GB2254941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9206259A GB2254941B (en) 1991-04-17 1992-03-23 Power supplies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919108255A GB9108255D0 (en) 1991-04-17 1991-04-17 Power supplies
GB9206259A GB2254941B (en) 1991-04-17 1992-03-23 Power supplies

Publications (3)

Publication Number Publication Date
GB9206259D0 GB9206259D0 (en) 1992-05-06
GB2254941A GB2254941A (en) 1992-10-21
GB2254941B true GB2254941B (en) 1994-08-10

Family

ID=26298745

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9206259A Expired - Fee Related GB2254941B (en) 1991-04-17 1992-03-23 Power supplies

Country Status (1)

Country Link
GB (1) GB2254941B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707021A1 (en) * 1993-06-23 1994-12-30 Valeo Vision Voltage regulating process and device for implementing this process
EP1709733A4 (en) * 2004-01-07 2009-01-07 Plantronics Improved power supply rejection for pulse width modulated amplifiers and automatic gain control
GB2608080B (en) * 2020-07-31 2023-03-08 Cirrus Logic Int Semiconductor Ltd Driver circuitry
US11552627B2 (en) * 2020-07-31 2023-01-10 Cirrus Logic, Inc. PWM circuitry

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470799A (en) * 1973-04-11 1977-04-21 Int Standard Electric Corp Compensation loop for a pulse-width modulation device
GB1505829A (en) * 1975-07-22 1978-03-30 Communications Patents Ltd Pulse modulated amplifiers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470799A (en) * 1973-04-11 1977-04-21 Int Standard Electric Corp Compensation loop for a pulse-width modulation device
GB1505829A (en) * 1975-07-22 1978-03-30 Communications Patents Ltd Pulse modulated amplifiers

Also Published As

Publication number Publication date
GB9206259D0 (en) 1992-05-06
GB2254941A (en) 1992-10-21

Similar Documents

Publication Publication Date Title
GB9104070D0 (en) Power supplies
GB2262634B (en) Power connection scheme
GB2294823B (en) Power supply unit
GB9121796D0 (en) Switching mode power supplies
SG50676A1 (en) Power supply
EP0538851A3 (en) Power converter
GB2260233B (en) Power supply arrangements
GB9121207D0 (en) Power bar
GB8924794D0 (en) Power supplies
GB2257477B (en) Auxiliary power equipment
GB2277416B (en) Regulated power supply
GB9315210D0 (en) Power supply
EP0443246A3 (en) Switch-mode power supply
GB9108255D0 (en) Power supplies
GB2254941B (en) Power supplies
GB2255152B (en) Power unit
GB2261778B (en) Uninterruptible power supply
EP0573828A3 (en) Improvement in power supplies
GB2262660B (en) Power distribution arrangement
HU910195D0 (en) Power unit
GB2224867B (en) Power supplies
ZA947889B (en) Mains power supplies
GB8905641D0 (en) Power supplies
GB9111562D0 (en) Power tools
GB9103684D0 (en) Power supply system

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010323