# US 10,484,505 B2 · System and method for zero-footprint screen capture

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- Number: US 10,484,505 B2
- Document ID: US10484505B2
- Status: Granted
- Kind: B2
- Application number: 15/628,590
- Filed: 2017-06-20
- Published: 2017-10-05
- Granted: 2019-11-19
- Earliest claimed: 2012-01-26
- Assignees: ZOOM International a.s.
- Applicants: ZOOM International a.s.
- Inventors: Michal Kridlo
- Web page: https://patentgrep.com/patent/US10484505B2

## CPC

- H04W 4/02: Services making use of location information
- G06F 3/1454: {involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay}
- G06F 9/453: {Help systems}
- H04L 67/02: based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L 67/06: specially adapted for file transfer, e.g. file transfer protocol [FTP]
- H04L 67/34: {involving the movement of software or configuration parameters (network booting or remote initial program loading [RIPL] G06F9/4416)}
- H04L 67/75: Indicating network or usage conditions on the user display
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A system for zero-footprint screen capture, comprising a communication server software module, a screen capture server software module, a web server software module, and a media upload server software module, wherein the web server, on receiving a request for a specific web page from a client application whose screen is to be captured, uploads a persistent screen capture software application to the client, and further wherein, upon receiving a connection request from the screen capture application, establishes a persistent connection to the screen capture application and, on receiving a notification from the communication server pertaining to an interaction involving a user of the client application, sends instructions via the persistent connection to the screen capture application, and wherein the media upload server receives via the established connection to the uploaded screen capture application one or more data packets containing screen capture graphics data.

## Claims

### Claim 1

A system for zero-footprint screen capture for contact centers, comprising:
a screen capture server comprising a processor, a memory, and a plurality of software programming instructions stored in the memory and operating on the processor which cause the screen capture server to:
receive screen capture data from a screen capture software application; and
store the screen capture data; and
a screen capture software application comprising a plurality of programming instructions configured to be downloaded to an agent workstation, wherein the screen capture software application, when operating on the agent workstation, causes the agent workstation to:
detect a connection of an incoming phone call to an agent workstation;
start capturing images of a screen of the agent workstation;
detect a disconnection of the incoming phone call to the agent workstation; and
stop capturing images of the screen of the agent workstation; and
a web server comprising a processor, a memory, and a plurality of programming instructions stored in the memory and operating on the processor which cause the web server to;
receive login information for an agent via a web browser on the agent workstation;
download an applet to the agent workstation for authentication;
associate, using the applet, an agent identification with workstation;
receive captured screens of the agent workstation from the screen capture software application;
transmit captured screens to screen capture server.

### Claim 2 (depends on 1)

The system of claim 1, wherein the screen capture data comprises image data based at least in part on an image being shown on a connected display hardware device operating on the client device.

### Claim 3 (depends on 1)

The system of claim 1, wherein the incoming phone call is received by a voice over internet protocol (VOIP) connection, and the screen capture software application further:
detects a transmission bandwidth between the agent workstation and the web server;
determines a VOIP bandwidth necessary to maintain a threshold quality of the VOIP connection;
determines a screen capture bandwidth available for transmission of captured screens based on difference between the transmission bandwidth and the VOIP bandwidth; and
buffers the captured screens on the agent workstation to keep transmission of captured screens below the screen capture bandwidth.

### Claim 4 (depends on 1)

The system of claim 1, wherein the screen capture data is presented to a human user for review via a display hardware device operating on a computing device configured to communicate with the screen capture server.

### Claim 5 (depends on 1)

The system of claim 1, wherein the screen capture software application is further configured to compress the screen capture data prior to transmission, and the screen capture server is further configured to decompress the screen capture data upon receipt.

### Claim 6 (depends on 1)

The system of claim 1, wherein the screen capture data further comprises location data based at least in part on the physical location of the client device.

### Claim 7 (depends on 6)

The system of claim 6, wherein the location data is based at least in part on a network address of the client device.

### Claim 8 (depends on 1)

The system of claim 1, wherein a portion of the screen capture data is modified by the screen capture software application prior to transmission.

### Claim 9 (depends on 8)

The system of claim 8, wherein the modification comprises the obfuscation of data.

### Claim 10 (depends on 8)

The system of claim 8, wherein the modification comprises the removal of data.

### Claim 11

A method for zero-footprint screen capture, the method comprising the steps of:
receiving, via a web server, login information for an agent via a web browser on an agent workstation;
downloading an applet to the agent workstation for authentication;
associating, using the applet, an agent identification with the workstation;
downloading a screen capture software application to the agent workstation;
detecting a connection of an incoming phone call to the agent workstation;
starting capture of images of a screen of the agent workstation;
detecting a disconnection of the incoming phone call to the agent workstation;
stopping capture of images of the screen of the agent workstation;
receiving, at the web server, captured screens of the agent workstation from the screen capture software application;
transmitting the captured screens to screen capture server, which stores the captured screens.

### Claim 12 (depends on 11)

The method of claim 11, wherein the screen capture data comprises image data based at least in part on an image being shown on a connected display hardware device operating on the client device.

### Claim 13 (depends on 11)

The method of claim 11, wherein the incoming phone call is received by a voice over internet protocol (VOIP) connection, and the screen capture software application further:
detects a transmission bandwidth between the agent workstation and the web server;
determines a VOIP bandwidth necessary to maintain a threshold quality of the VOIP connection;
determines a screen capture bandwidth available for transmission of captured screens based on difference between the transmission bandwidth and the VOIP bandwidth; and
buffers the captured screens on the agent workstation to keep transmission of captured screens below the screen capture bandwidth.