Inventor
Darrell L. Ash
Inventor
Sachse, TX, US
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Bprimary
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner25%
H03DDemodulation or transference of modulation from one carrier to another13%
H04BTransmission10%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%
G07FCoin-freed or like apparatus8%
H03FAmplifiers8%
H03HImpedance networks, e.g. resonant circuits8%
H03JTuning resonant circuits8%
H04NPictorial communication, e.g. television8%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
PatentTitleYear
8,598,924'Frequency-locked synthesizer with low power consumption and related system and method'20137,260,375'Frequency agile RF circuit'20077,199,674'Low phase noise, wide tune range saw oscillators and methods of operating the same'20076,914,493'Noise resistant low phase noise, frequency tracking oscillators and methods of operating the same'20056,909,334'Low phase noise, wide tune range saw oscillators and methods of operating the same'20055,789,990'Feedback oscillator circuit using a saw resonator filter'19985,787,117'Receiver/transmitter having common elements'19985,357,206'Sequential amplifier'19945,357,207'Sequential amplifier'19944,761,616'Voltage controlled oscillator'19884,760,352'Coupled resonator phase shift oscillator'19884,749,964'Superregenerative detector having a saw device in the feedback circuit'19884,682,224'System, method, and apparatus for television signal scrambling and descrambling'19874,682,223'Descrambler unit method and apparatus for television signal descrambling'19874,663,664'Electronic ticket method and apparatus for television signal scrambling and descrambling'19874,408,347'High-frequency channel selector having fixed bandpass filters in the RF section'19834,162,451'MESFET-device surface-wave-device channel selector'19794,162,452'Channel selection for a television receiver having low-gain high frequency RF-IF section'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1983Patents assigned to TEXAS INSTRUMENTS INC (3)· patent assignee history
1979–1987Based in Garland, TX, US· patent location history
1987–2013Patents assigned to RF MONOLITHICS (14)· patent assignee history
1988Patents assigned to R F MONOLITHICS (1)· patent assignee history
1988–2013Based in Sachse, TX, US· patent location history
2013Patents assigned to ASH DARRELL LEE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RF MONOLITHICS | 14 | 1987–2013 |
| TEXAS INSTRUMENTS INC | 3 | 1979–1983 |
| ASH DARRELL LEEself | 1 | 2013 |
| R F MONOLITHICS | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sachse, Texas, US | 12 | 1988–2013 |
| Garland, Texas, US | 6 | 1979–1987 |