WO1994024813B1 - Multimedia video production system - Google Patents

Multimedia video production system

Info

Publication number
WO1994024813B1
WO1994024813B1 PCT/US1994/004383 US9404383W WO9424813B1 WO 1994024813 B1 WO1994024813 B1 WO 1994024813B1 US 9404383 W US9404383 W US 9404383W WO 9424813 B1 WO9424813 B1 WO 9424813B1
Authority
WO
WIPO (PCT)
Prior art keywords
video
camera
computer
control system
interface module
Prior art date
Application number
PCT/US1994/004383
Other languages
French (fr)
Other versions
WO1994024813A1 (en
Filing date
Publication date
Priority claimed from US08/050,861 external-priority patent/US5450140A/en
Application filed filed Critical
Priority to JP52357494A priority Critical patent/JP3859227B2/en
Priority to CA002161112A priority patent/CA2161112C/en
Publication of WO1994024813A1 publication Critical patent/WO1994024813A1/en
Publication of WO1994024813B1 publication Critical patent/WO1994024813B1/en

Links

Abstract

A multimedia video production control system comprising an adapter unit (29) interfaced with a corresponding camera (20) and pan/tilt mount (25) where the adapter unit is further connected to a camera interface module (50) containing cable compensation and amplification circuitry (48) which in turn is connected to a video switcher (34). Each camera interface unit (48) feeds a computer interface unit (111) such that a computer can communicate with the camera interface module (50). The computer interface module contains time-base correction and frame storage associated with a corresponding camera (20) and can be operator controlled from a computer (112) such that an operator can control a variety of cameras (20) and their corresponding pan/tilt mounts (25) while viewing individual video in separate windows on a computer monitor (118) in a multimedia environment.

Claims

AMENDED CLAIMS[received by the International Bureau on 31 October 1994 (31.10.94); original claims 1 - 12 replaced by amended claims 1-10 (4 pages)]
1. A video production control system adapted for use in conjunction with equipment of a variety of designs, including video switchers, audio mixers, video display means, motorized pan/tilt camera mounts, including remotely controlled mounts, and video cameras, including remotely controlled cameras and cameras that include a video tape unit, the control system comprising: a mounting frame- a power supply disposed on the frame,- an adapter unit associated with each camera to be used with the system including different camera models and cameras provided by different manufacturers, each adapter unit providing an operative electrical and mechanical interface to its associated camera; a cable associated with each adapter unit; and a plurality of camera interface modules disposed on the frame, each module being connected to the power supply, video switcher, audio mixer and one adapter unit through its associated cable, each module being operative to: route power and control signals to the camera and pan/tilt mount through the cable and adapter unit; and receive an unmodulated video signal from the camera through the adapter and cable, adjust for frequency compensation and gain of the unmodulated signal in accordance with an operator control, and route the adjusted video signal to the video display means and video switcher.
2. The video production control system of claim 1 wherein each camera interface module may include a remote-control receiver adapted to receive a wireless remote-control signal associated with a camera or a pan/tilt mount, the receiver being operative to convert the wireless signal into an electrical signal and route the electrical signal to the associated camera or pan/tilt mount through the cable and adapter.
3. The video production control system of claim
2 wherein the means to interface the electrical signal to the associated camera or pan/tilt mount includes a wireless remote-control transmitter operative to receive the electrical signal and to generate a wireless remote-control signal to be received only by its associated camera or pan/tilt mount.
4. The video production control system of claim
1 further including a computer interface adapted for use with a personal computer and a computer monitor, the computer interface being connected between a camera interface module and the personal computer, the computer interface being operative to receive signals from the computer to control each camera and pan/tilt mount through its associated camera interface module and adapter, and to route video signals and status information from the camera interface modules, video switcher and audio mixer to the computer to be displayed on the computer monitor.
5. The video production control system of claim 4 wherein the computer interface module includes a synchronization generator, time-base correction and frame- storage circuitry operative to synchronize the video - 2 1 -
signals received from each camera interface module and deliver the synchronized video signals to the video switcher.
6. The video production control system of claim 5 wherein the personal computer includes windowing software operative to display a video image in its own area of the monitor screen-
7. The video production control system of claim 6 wherein the software further includes an interface which allows an operator to manipulate icons related to the control of the system on the screen of the monitor.
8. The video production control system of claim 1 wherein each interface module further includes a tally lamp connected to a separate tally-in signal from the video switcher, each module further providing a tally-out signal to the camera through the adapter, the lamp being illuminated and the tally-out signal being asserted when the camera associated with said interface module has been selected by an operator.
9. A personal-computer based video production control system adapted for use in conjunction with equipment supplied by various manufacturers including video cameras and programmed computers with monitors, the control system comprising: an adapter unit interfaced to each camera to be used with the system including different models and cameras provided by different manufacturers, each adapter unit providing an operative electrical and mechanical interface - 22 -
to its associated camera; a cable connecting each adapter unit to a separate camera interface module containing cable compensation and amplification circuitry; and a computer interface module connected between each camera interface module and the programmed computer, whereby video images generated by the cameras appear in different windows on the computer monitor, and control signals entered at the computer are routed to the cameras to control their functioning.
10. The multimedia video production control system of claim 9 wherein each computer interface module further includes time-base-correction and frame-storage circuitry feeding a video switcher common to all interface modules, the output video image generated by the switcher also being routed to the computer to appear in a separate window on the monitor.
- 3 -
STATEMENT UNDER ARTICLE19
It is desired to note that the claimed subject matter is novel and can be shown to comprise an inventive step, evidence of which Applicant reserves the right to make of record in due course of the prosecution.
The above amendment does not go beyond the disclosure in the international application as filed.
PCT/US1994/004383 1993-04-21 1994-04-21 Multimedia video production system WO1994024813A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP52357494A JP3859227B2 (en) 1993-04-21 1994-04-21 Multimedia video production system
CA002161112A CA2161112C (en) 1993-04-21 1994-04-21 Multimedia video production system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/050,861 US5450140A (en) 1993-04-21 1993-04-21 Personal-computer-based video production system
US08/050,861 1993-04-21

Publications (2)

Publication Number Publication Date
WO1994024813A1 WO1994024813A1 (en) 1994-10-27
WO1994024813B1 true WO1994024813B1 (en) 1994-12-08

Family

ID=21967940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/004383 WO1994024813A1 (en) 1993-04-21 1994-04-21 Multimedia video production system

Country Status (4)

Country Link
US (2) US5450140A (en)
JP (1) JP3859227B2 (en)
CA (1) CA2161112C (en)
WO (1) WO1994024813A1 (en)

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