U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electronic system to discriminate a plurality of power sources

Patent 5162721 Issued on November 10, 1992. Estimated Expiration Date: Icon_subject June 7, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3464012

Means indicating a condition of charge in a battery charger
Patent #: 4396881
Issued on: 08/02/1983
Inventor: Cook ,   et al.

Battery charger with visual charge indicating means
Patent #: 4467264
Issued on: 08/21/1984
Inventor: Blake ,   et al.

Battery charging system including means for distinguishing between rechargeable and non-rechargeable batteries
Patent #: 4577144
Issued on: 03/18/1986
Inventor: Hodgman ,   et al.

Charging system having electromagnetic field means for distinguishing between primary and secondary batteries
Patent #: 4577145
Issued on: 03/18/1986
Inventor: Mullersman

System for charging a rechargeable battery
Patent #: 4628242
Issued on: 12/09/1986
Inventor: Scholefield

Battery charging system having means for distinguishing between primary and secondary batteries
Patent #: 4628243
Issued on: 12/09/1986
Inventor: Hodgman ,   et al.

Battery charging and cycling devices
Patent #: 4755733
Issued on: 07/05/1988
Inventor: Laliberte

Battery charging system Patent #: 4849682
Issued on: 07/18/1989
Inventor: Bauer ,   et al.

Inventor

Assignee

Application

No. 536299 filed on 06/07/1990

US Classes:

320/106, MEANS TO IDENTIFY CELL OR BATTERY TYPE324/115Plural ranges, scales or registration rates

Examiners

Primary: Stephan, Steven L.
Assistant: Peckman, Kristine

Attorney, Agent or Firm

International Class

H02J 007/00

Foreign Application Priority Data

1989-06-08 JP

Abstract

A multipower type electronic system discriminates the kind of power source connected to it. A detection voltage and/or a detection voltage timing interval is set on the basis of the discriminated type of power source and a predetermined display is executed on the basis of the power source type discrimination and/or the detection voltage setting.

PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$16.95more info
 
Sign InRegister
Username  
Password   
forgot password?