Inventor
Raymond C. Yuen
Inventor
San Diego, CA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique29%
G01RMeasuring electric variables14%
G05FSystems for regulating electric or magnetic variables14%
G06FElectric digital data processing14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
G11CStatic stores7%
H04LTransmission of digital information, e.g. telegraphic communication7%
PatentTitleYear
4,874,970'ECL output with Darlington or common collector-common emitter drive'19894,751,404'Multi-level ECL series gating with temperature-stabilized source current'19884,736,125'Unbuffered TTL-to-ECL translator with temperature-compensated threshold voltage obtained from a constant-current reference voltage'19884,627,085'Flip-flop control circuit'19864,195,358'Decoder for a prom'19804,189,671'Voltage regulator and regulator buffer'19804,183,460'In-situ test and diagnostic circuitry and method for CML chips'19804,152,541'Full duplex driver/receiver'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1980Patents assigned to BURROUGHS CORP (4)· patent assignee history
1979–1980Based in Poway, CA, US· patent location history
1980–1989Based in San Diego, CA, US· patent location history
1986–1989Patents assigned to APPLIED MICRO CIRCUITS CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLIED MICRO CIRCUITS CORP | 4 | 1986–1989 |
| BURROUGHS CORP | 4 | 1979–1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 5 | 1980–1989 |
| Poway, California, US | 3 | 1979–1980 |