3 results found
Ralph Hafle Benton, AR
Professions & Specialties
Encoder • Security and Investigations Professional • IT Security
Experience & Education
| United States Patent | Inventor | Appl. No. | Assignee |
|---|---|---|---|
|
#3976997 Aug 24, 1976 Filed: Jun 14, 1972 |
Ralph S. Hafle (Benton, AR) | 5/262596 |
The United States of America as represented by the Administrator of the () National Aeronautics and Space Administration (Washginton, DC) |
| International Classification: | H03K 1302 | 340347SY |
Patent:
Digital plus analog output encoder
Abstract:
The disclosed encoder is adapted to produce both digital and analog output signals corresponding...
Ralph Hafle Benton, AR
Professions & Specialties
Encoder • Security and Investigations Professional • IT Security
Experience & Education
| United States Patent | Inventor | Appl. No. | Assignee |
|---|---|---|---|
|
#4362358 Dec 7, 1982 Filed: Aug 13, 1980 |
Ralph S. Hafle (Benton, AR) | 6/177832 |
BEI Electronics, Inc. (Little Rock, AR) |
| International Classification: | G02B 514 | 350 9616 |
Patent:
Optical encoder having only one or two fiber optic cables
Abstract:
A multidigit fiber optic encoder having only one or two fiber optic cables between an active zone...
Ralph Hafle Benton, AR
Professions & Specialties
Encoder • Security and Investigations Professional • IT Security
Experience & Education
| United States Patent | Inventor | Appl. No. | Assignee |
|---|---|---|---|
|
#4628298 Dec 9, 1986 Filed: Jun 22, 1984 |
Ralph S. Hafle (Benton, AR) Mark D. Love (Littlerock, AR) | 6/623843 |
BEI Motion Systems Company, Inc. (Santa Barbara, CA) |
| International Classification: | H03M 100 | 340347P |
Patent:
Chain code encoder
Abstract:
A positional encoder which provides absolute position information from a single code track. A...