Inventor
Christian L. Houlberg
Inventor
Ventura, CA, US
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television23%
F41GWeapon sights21%
G01SRadio direction-finding14%
H04LTransmission of digital information, e.g. telegraphic communication14%
G06FElectric digital data processing12%
H03MCoding7%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons2%
G01CMeasuring distances, levels or bearings2%
H04BTransmission2%
H04JMultiplex communication2%
PatentTitleYear
7,847,724'Radar video data player'20107,847,725'Radar video data player'20107,487,014'Inertial navigation unit protocol converter'20097,425,919'Radar video data viewer'20087,269,222'Miniaturized pulse code modulation encoder'20077,183,970'Missile time-space-position-information unit test software'20077,170,549'Auto focus and zoom controller for controlling multiple cameras'20077,167,198'Method for tracking and recording a launch and flight of a high speed vehicle'20077,158,168'Auto Focus and Zoom Controller for controlling multiple cameras'20077,088,826'Method for providing a crypto key and checkword to an encryption device'20067,043,343'Method for testing a missile time-space-position unit for missile'20066,968,061'Method which uses a non-volatile memory to store a crypto key and a check word for an encryption device'20056,859,537'Non-volatile memory for use with an encryption device'20056,720,801'RS-232 bus data tap apparatus'20046,718,409'National marine electronics association protocol converter'20046,633,613'Digital circuit for formatting and compressing radar video data'20036,353,634'Video decoder using bi-orthogonal wavelet coding'20026,205,499'System for compressing video data using bi-orthogonal wavelet coding having a DSP for adjusting compression ratios to maintain a constant data flow rate of the compressed data'20016,172,747'Airborne video tracking system'20016,072,571'Computer controlled optical tracking system'20005,887,198'Programmable stand-alone drive apparatus for interfacing a host computer with PCMCIA memory cards having multiple formats'19995,729,338'Computer controlled optical tracking system'19985,726,747'Computer controlled optical tracking system'19985,666,117'Non-Return to Zero Level to Bi-Phase signal converter'19975,624,264'Missile launch simulator'19975,530,443'Digital circuit for the introduction of dither into an analog signal'19965,510,790'Digital circuit for the introduction of dither into an analog signal'19965,465,274'Digital circuit for decoding encoded doppler data'19955,390,356'Rapid reprogramming terminal'19955,349,685'Multipurpose bus interface utilizing a digital signal processor'19945,333,198'Digital interface circuit'19945,307,505'Rapid reprogramming terminal'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1997Patents assigned to US ARMY (7)· patent assignee history
1994Patents assigned to HOULBERG CHRISTIAN L (1)· patent assignee history
1994Patents assigned to PACL JEFFREY J (1)· patent assignee history
1994–2010Based in Ventura, CA, US· patent location history
1997Patents assigned to UNITED STATE OF AMERICAN AS RE (1)· patent assignee history
1998–2010Patents assigned to US NAVY (23)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US NAVY | 23 | 1998–2010 |
| US ARMY | 7 | 1994–1997 |
| HOULBERG CHRISTIAN Lself | 1 | 1994 |
| PACL JEFFREY J | 1 | 1994 |
| UNITED STATE OF AMERICAN AS RE | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ventura, California, US | 32 | 1994–2010 |